{"product_id":"singing-rock-jack-descender","title":"Singing Rock Jack Descender","description":"\u003cdiv class=\"page-title-wrapper  product\"\u003e\n\u003ch1 class=\"page-title\"\u003eJACK DESCENDER\u003c\/h1\u003e\n\u003cdiv class=\"amshopby-option-link\"\u003e\u003ca href=\"https:\/\/libertymountain.com\/singing-rock.html\" title=\"SINGING ROCK\"\u003e\u003cimg title=\"SINGING ROCK\" alt=\"SINGING ROCK\" src=\"https:\/\/libertymountain.com\/media\/images\/cache\/amasty\/shopby\/option_images\/slider\/resized\/250x100\/singing_rock_logo.png\" width=\"250\" height=\"100\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"amtheme-short-info\"\u003e\n\u003cdiv class=\"product-reviews-summary empty\"\u003e\n\u003cdiv class=\"reviews-actions\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-info-main\"\u003e\n\u003cdiv class=\"product attribute overview\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eThe Jack is a compact, durable descender designed for professional rope access and rescue work, combining maximum simplicity with intuitive control. It supports positioning, ascending, descending, lowering, and belaying, with an automatic locking system that enhances safety and allows full focus on the job. The smooth lever action offers precise speed control, while the patented magnetic cam ensures easy rope insertion and operation. Compatible with 9.3–12 mm ropes, JACK features stainless-steel wear parts for long-lasting performance and can be secured to the rope for a fixed setup—making it a reliable, versatile tool for demanding vertical environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCan be used for positioning, ascending and descending on the work line, as well as for lowering and belaying persons\u003c\/li\u003e\n\u003cli\u003eAutomatically locks the rope, allowing the user to concentrate fully on the work\u003c\/li\u003e\n\u003cli\u003eSpeed of movement on the rope is conveniently controlled by the lever\u003c\/li\u003e\n\u003cli\u003eDuring development, emphasis was placed on maximum simplicity, intuitive rope insertion and smooth operation\u003c\/li\u003e\n\u003cli\u003eWith an unloaded rope, the locking mechanism can be deactivated by pressing the cam and thus the rope can be pulled out of the device without using the lever - this allows the device to be used, for example, for belaying a lead climber or for quick movement on a flat roof\u003c\/li\u003e\n\u003cli\u003eEasy retrieval of the rope allows the device to be used for short rope ascents\u003c\/li\u003e\n\u003cli\u003eIt is not necessary to disconnect the device from the harness when inserting and removing the rope\u003c\/li\u003e\n\u003cli\u003eNo additional friction is required up to a load of 200 kg\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of rope diameters 9.3 - 12 mm (see specifications for individual standards)\u003c\/li\u003e\n\u003cli\u003eParts in contact with the rope are made of stainless steel, which prolongs the lifetime of the device\u003c\/li\u003e\n\u003cli\u003eUsing a screw, the device can be permanently locked to the rope to create a non-removable system\u003c\/li\u003e\n\u003cli\u003eLever and lock can be disassembled and cleaned if necessary\u003c\/li\u003e\n\u003cli\u003ePatented design with magnetic holding of the cam facilitates rope insertion\u003c\/li\u003e\n\u003cli\u003eWeight: 410g, 14.5oz\u003c\/li\u003e\n\u003cli\u003eMaterial: stainless steel, light alloy, hardened plastic\u003c\/li\u003e\n\u003cli\u003eStrength: 15kN\u003c\/li\u003e\n\u003cli\u003eMax Load: 200kg\u003c\/li\u003e\n\u003cli\u003eCertifications: CE1019, EN12841-C, EN15151-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Singing Rock","offers":[{"title":"Black","offer_id":48700937502961,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":48700937535729,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0732\/0561\/files\/Image_205.jpg?v=1788882983","url":"https:\/\/adventurehardware.shop\/products\/singing-rock-jack-descender","provider":"Adventure Hardware","version":"1.0","type":"link"}