{"id":5447,"date":"2020-12-23T16:25:15","date_gmt":"2021-04-22T13:48:32","guid":{"rendered":"https:\/\/karver.encours.dev\/produit\/product\/"},"modified":"2026-04-20T08:06:39","modified_gmt":"2026-04-20T06:06:39","slug":"kjc10","status":"publish","type":"product","link":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/","title":{"rendered":"KJC10 CARBON JAMMER"},"content":{"rendered":"<p>The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the KJC becomes our new standard. The secret of KJ blockers lies in 2 simple technical elements : a conical shape where the more you pull the more it gets stuck and the use of 3 jaws to distribute the load over 360 \u00b0 so as to never flatten or damage the ropes. Our blocker is no exception to the chore of cleaning but we have thought of you : The ascender is in 2 parts which makes it possible to extract the ascender very quickly without having to disassemble its glued &#8211; screwed support. The result : an innovative and efficient ascender that does not let go and that does not damage the strings. We have counted more than 60 KJ on the fleet of 33 sailing boats participating in the Vend\u00e9e Globe 2020-2021. Convinced ?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the KJC becomes our new standard. The secret of KJ blockers lies in 2 simple technical elements : a conical shape where the more you pull the more it gets stuck and the [&hellip;]<\/p>\n","protected":false},"featured_media":4271,"template":"","meta":{"_acf_changed":false},"karver_prognav":[457,459,458],"product_brand":[],"product_cat":[414],"product_tag":[],"class_list":{"0":"post-5447","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"karver_prognav-racing","7":"karver_prognav-sailing","8":"karver_prognav-super-yacht-en","9":"product_cat-kjc-carbon-hr-jammer-complete","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KJC10 CARBON JAMMER - Karver systems<\/title>\n<meta name=\"description\" content=\"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KJC10 CARBON JAMMER - Karver systems\" \/>\n<meta property=\"og:description\" content=\"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/\" \/>\n<meta property=\"og:site_name\" content=\"Karver systems\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KarverSailing\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T06:06:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1300\" \/>\n\t<meta property=\"og:image:height\" content=\"1300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/\",\"url\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/\",\"name\":\"KJC10 CARBON JAMMER - Karver systems\",\"isPartOf\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg\",\"datePublished\":\"2021-04-22T13:48:32+00:00\",\"dateModified\":\"2026-04-20T06:06:39+00:00\",\"description\":\"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the\",\"breadcrumb\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage\",\"url\":\"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg\",\"contentUrl\":\"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg\",\"width\":1300,\"height\":1300,\"caption\":\"KJC10 CARBON JAMMER\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.karver-systems.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.karver-systems.com\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DECK EQUIPMENTS\",\"item\":\"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"KJ JAMMERS\",\"item\":\"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"KJC\",\"item\":\"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/kjc-hr-carbon-jammers\/\"},{\"@type\":\"ListItem\",\"position\":6,\"name\":\"COMPLETE KJC\",\"item\":\"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/kjc-hr-carbon-jammers\/kjc-carbon-hr-jammer-complete\/\"},{\"@type\":\"ListItem\",\"position\":7,\"name\":\"KJC10 CARBON JAMMER\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/#website\",\"url\":\"https:\/\/www.karver-systems.com\/en\/\",\"name\":\"Karver systems\",\"description\":\"One Step Ahead\",\"publisher\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.karver-systems.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/#organization\",\"name\":\"Karver Systems\",\"url\":\"https:\/\/www.karver-systems.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.karver-systems.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/karver-systems.com\/wp-content\/uploads\/2020\/11\/logo1.png\",\"contentUrl\":\"https:\/\/karver-systems.com\/wp-content\/uploads\/2020\/11\/logo1.png\",\"width\":300,\"height\":66,\"caption\":\"Karver Systems\"},\"image\":{\"@id\":\"https:\/\/www.karver-systems.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/KarverSailing\",\"https:\/\/www.linkedin.com\/company\/2403599\",\"https:\/\/www.pinterest.fr\/karversystems\/\",\"https:\/\/www.youtube.com\/KarverSailing\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"KJC10 CARBON JAMMER - Karver systems","description":"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/","og_locale":"en_US","og_type":"article","og_title":"KJC10 CARBON JAMMER - Karver systems","og_description":"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the","og_url":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/","og_site_name":"Karver systems","article_publisher":"https:\/\/www.facebook.com\/KarverSailing","article_modified_time":"2026-04-20T06:06:39+00:00","og_image":[{"width":1300,"height":1300,"url":"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/","url":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/","name":"KJC10 CARBON JAMMER - Karver systems","isPartOf":{"@id":"https:\/\/www.karver-systems.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage"},"image":{"@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage"},"thumbnailUrl":"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg","datePublished":"2021-04-22T13:48:32+00:00","dateModified":"2026-04-20T06:06:39+00:00","description":"The KJC10 is the recent carbon version of our legendary KJ 3-jaw high load ascender. Even though the aluminum version remains available, the","breadcrumb":{"@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.karver-systems.com\/en\/product\/kjc10\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#primaryimage","url":"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg","contentUrl":"https:\/\/karver-197c6.kxcdn.com\/wp-content\/uploads\/2021\/02\/KJC10.jpg","width":1300,"height":1300,"caption":"KJC10 CARBON JAMMER"},{"@type":"BreadcrumbList","@id":"https:\/\/www.karver-systems.com\/en\/product\/kjc10\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.karver-systems.com\/en\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.karver-systems.com\/en\/shop\/"},{"@type":"ListItem","position":3,"name":"DECK EQUIPMENTS","item":"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/"},{"@type":"ListItem","position":4,"name":"KJ JAMMERS","item":"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/"},{"@type":"ListItem","position":5,"name":"KJC","item":"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/kjc-hr-carbon-jammers\/"},{"@type":"ListItem","position":6,"name":"COMPLETE KJC","item":"https:\/\/www.karver-systems.com\/en\/product-category\/deck-equipments\/kj-high-load-jammers\/kjc-hr-carbon-jammers\/kjc-carbon-hr-jammer-complete\/"},{"@type":"ListItem","position":7,"name":"KJC10 CARBON JAMMER"}]},{"@type":"WebSite","@id":"https:\/\/www.karver-systems.com\/en\/#website","url":"https:\/\/www.karver-systems.com\/en\/","name":"Karver systems","description":"One Step Ahead","publisher":{"@id":"https:\/\/www.karver-systems.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.karver-systems.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.karver-systems.com\/en\/#organization","name":"Karver Systems","url":"https:\/\/www.karver-systems.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.karver-systems.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/karver-systems.com\/wp-content\/uploads\/2020\/11\/logo1.png","contentUrl":"https:\/\/karver-systems.com\/wp-content\/uploads\/2020\/11\/logo1.png","width":300,"height":66,"caption":"Karver Systems"},"image":{"@id":"https:\/\/www.karver-systems.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/KarverSailing","https:\/\/www.linkedin.com\/company\/2403599","https:\/\/www.pinterest.fr\/karversystems\/","https:\/\/www.youtube.com\/KarverSailing"]}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/product\/5447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/media\/4271"}],"wp:attachment":[{"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/media?parent=5447"}],"wp:term":[{"taxonomy":"karver_prognav","embeddable":true,"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/karver_prognav?post=5447"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/product_brand?post=5447"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/product_cat?post=5447"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.karver-systems.com\/en\/wp-json\/wp\/v2\/product_tag?post=5447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}