{"product_id":"art-lockjack-2-swivel-mechanical-ascender","title":"Lockjack 2 Swivel Mechanical Ascender","description":"\u003ch1\u003eART LockJack 2 Rope Control Device\u003c\/h1\u003e\n\n\u003cp\u003eThe ART LockJack 2 is a compact, efficient and easy-to-operate mechanical rope control device designed for ascent and descent in professional tree climbing. Built for arborists using doubled rope climbing systems, the LockJack 2 offers smooth, dynamic and energy-saving movement through the tree, making it suitable for both developing climbers and experienced professionals.\u003c\/p\u003e\n\n\u003cp\u003eEquipped with an ART swivel, the LockJack 2 helps compensate for rope and body twists during climbing, improving comfort, handling and device orientation. Its manageable design makes rope control more efficient, supporting smoother movement, controlled descent and confident work positioning during arborist climbing applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eART LockJack 2 mechanical rope control device\u003c\/li\u003e\n  \u003cli\u003eDesigned for ascent and descent in tree climbing\u003c\/li\u003e\n  \u003cli\u003eSuitable for doubled rope climbing systems\u003c\/li\u003e\n  \u003cli\u003eCompact, manageable and easy to operate\u003c\/li\u003e\n  \u003cli\u003eSupports dynamic and energy-saving climbing\u003c\/li\u003e\n  \u003cli\u003eSuitable for beginners through to professional climbers\u003c\/li\u003e\n  \u003cli\u003eEquipped with ART swivel for improved rope alignment\u003c\/li\u003e\n  \u003cli\u003eHelps compensate for rope and body twists\u003c\/li\u003e\n  \u003cli\u003eImproves climbing comfort and handling\u003c\/li\u003e\n  \u003cli\u003eIdeal for arborist climbing and work positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEfficient Tree Climbing Control\u003c\/h2\u003e\n\u003cp\u003eThe ART LockJack 2 is designed to make ascent and descent smoother and more efficient, helping climbers move dynamically through the tree while reducing unnecessary effort.\u003c\/p\u003e\n\n\u003ch2\u003eComfortable Rope Handling\u003c\/h2\u003e\n\u003cp\u003eThe integrated ART swivel helps compensate for twisting in both the rope and climber’s body position. This keeps the device better aligned during use and improves overall climbing comfort.\u003c\/p\u003e\n\n\u003ch2\u003eDynamic \u0026amp; Energy-Saving Movement\u003c\/h2\u003e\n\u003cp\u003eThe LockJack 2 is designed to support fluid climbing movement, making it a practical choice for climbers who want a mechanical device that feels responsive, efficient and controlled.\u003c\/p\u003e\n\n\u003ch2\u003eSuitable for Different Experience Levels\u003c\/h2\u003e\n\u003cp\u003eThe LockJack Sport concept has been widely used by both newer climbers and experienced professionals, offering a safe, manageable and efficient approach to mechanical rope control when used correctly and in line with manufacturer instructions.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd; text-align:left; font-size:14px;\"\u003e\n  \u003ctr\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"border:1px solid #ddd; padding:10px;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eProduct Name\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eART LockJack 2\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eProduct Type\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eMechanical rope control device\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003ePrimary Use\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eTree climbing ascent, descent and work positioning\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eClimbing System\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eDoubled rope climbing systems\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eSwivel\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eART swivel included\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eFunction\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eHelps compensate for rope and body twists\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eUser Type\u003c\/td\u003e\n    \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eArborist climbers, from developing users to professionals\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional arborists and tree climbers\u003c\/li\u003e\n  \u003cli\u003eDoubled rope climbing systems\u003c\/li\u003e\n  \u003cli\u003eAscent and descent in tree climbing\u003c\/li\u003e\n  \u003cli\u003eDynamic canopy movement\u003c\/li\u003e\n  \u003cli\u003eWork positioning applications\u003c\/li\u003e\n  \u003cli\u003eClimbers wanting a compact mechanical rope device\u003c\/li\u003e\n  \u003cli\u003eUsers who value smoother handling with swivel alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.gustharts.com\/collections\/ascenders-descenders\"\u003eDescenders \u0026amp; Ascenders\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/climbing-equipment-main-menu\"\u003eClimbing Equipment\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/climbing-ropes\"\u003eClimbing Ropes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.gustharts.com\/collections\/friction-cambium-savers\"\u003eFriction Savers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.gustharts.com\/blogs\/news\"\u003eArborist Guides \u0026amp; Advice\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eThe ART LockJack 2 is best suited to arborists who want a compact, efficient and comfortable mechanical rope control device for doubled rope tree climbing systems.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the ART LockJack 2?\u003c\/h2\u003e\n\u003cp\u003eWith its manageable design, smooth ascent and descent control, dynamic climbing feel and ART swivel for twist compensation, the LockJack 2 is a trusted mechanical device for efficient arborist climbing.\u003c\/p\u003e","brand":"ART","offers":[{"title":"Default Title","offer_id":45717458485492,"sku":"AR-LKS-0W","price":314.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/ART_Lockjack_2_Swivel_Mechanical_Ascender.jpg?v=1746111540","url":"https:\/\/www.gustharts.com\/en-us\/products\/art-lockjack-2-swivel-mechanical-ascender","provider":"Gustharts","version":"1.0","type":"link"}