{"product_id":"black-diamond-rocklock-screwgate-locking-belay-rappelling","title":"BLACK DIAMOND RockLock Carabiner, Gray Screwgate — Large HMS locking carabiner for belay and rappel","description":"\u003cp\u003e\u003cstrong\u003eThe BLACK DIAMOND RockLock Screwgate is a large, hot-forged aluminum locking carabiner engineered for secure belays, rappelling, and anchor systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt as Black Diamond’s biggest locking carabiner, the RockLock Screwgate combines generous internal space, a snag-resistant keylock nose, and one-handed screwgate operation to handle knots, belay devices, and multiple rope configurations with confidence. Its heavy-duty yet lightweight construction makes it suitable for indoor gym use, multi-pitch sport routes, mountaineering, and technical ropework where a roomy, reliable connector is needed.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the RockLock help when belaying or rappelling?\u003c\/h3\u003e\n\u003cp\u003eThe wide HMS-style shape accepts clove hitches, Munter hitches, and most belay devices without crowding, simplifying rope management on both single- and multi-rope systems. The screwgate secures the gate opening to reduce the chance of accidental release during critical moves.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge internal volume fits bulky knots and ATC-style devices\u003c\/li\u003e\n  \u003cli\u003eRounded spine improves device alignment and handling\u003c\/li\u003e\n  \u003cli\u003eScrewgate locks gate for added security during belays and lowers\u003c\/li\u003e\n  \u003cli\u003eKeylock nose reduces snags when clipping or unclipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the construction durable enough for outdoor climbing and guiding?\u003c\/h3\u003e\n\u003cp\u003eYes — the RockLock’s hot-forged aluminum body offers an excellent strength-to-weight ratio for repetitive outdoor use. It resists deformation under load while remaining light enough to carry on long routes or guide rotations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHot-forged aluminum for reliable structural integrity\u003c\/li\u003e\n  \u003cli\u003eEngineered to withstand typical climber and guide workloads\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finish suited for varied environments\u003c\/li\u003e\n  \u003cli\u003eDesigned for long-term use in both gym and alpine settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the gate and nose design user-friendly?\u003c\/h3\u003e\n\u003cp\u003eThe keylock nose eliminates catch points so ropes and slings glide past the gate cleanly when clipping or unclipping. The screwgate profile and ergonomic spine permit single-handed operation, even with gloves or cold hands, making transitions faster and safer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeylock nose prevents accidental snags with rope and gear\u003c\/li\u003e\n  \u003cli\u003eScrewgate offers tactile, secure closure that’s easy to verify\u003c\/li\u003e\n  \u003cli\u003eErgonomic spine enhances grip and one-handed manipulation\u003c\/li\u003e\n  \u003cli\u003eSmooth gate action reduces fumbling during maneuvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow versatile is this carabiner for different ropework tasks?\u003c\/h3\u003e\n\u003cp\u003eThe RockLock is suitable for a wide range of climbing-related uses: belaying, rappelling, building anchors, guiding, and rescue applications that require a large-capacity locking connector. It pairs well with both single- and double-rope techniques and is compatible with common belay devices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with ATC-style and similar belay devices\u003c\/li\u003e\n  \u003cli\u003eAccepts knots and multiple ropes for anchor building\u003c\/li\u003e\n  \u003cli\u003eUseful in rescue and rigging setups needing robust connectors\u003c\/li\u003e\n  \u003cli\u003eA practical choice for both sport and trad climbing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Climbers, guides, and rope-rescue technicians who need a roomy, dependable locking carabiner will appreciate the BLACK DIAMOND RockLock Screwgate. It’s aimed at users who value easy handling under load, compatibility with a variety of belay techniques, and a durable, snag-free gate for efficient clipping and unclipping. If you regularly practice multi-pitch climbing, instruct or guide parties, or set up anchors where device space matters, this RockLock provides a robust, versatile connector to add to your rack.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the RockLock compatible with ATC-style belay devices?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its large HMS shape accommodates ATC-style devices and similar belay systems without crowding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I operate the screwgate with gloves on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ergonomic spine and screwgate profile are designed for one-handed use, including with gloves.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BLACK DIAMOND","offers":[{"title":"Default Title","offer_id":48018311381153,"sku":"B081BB44F8","price":63.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/black-diamond-rocklock-screwgate-front-view-gray.jpg?v=1791278935","url":"https:\/\/canadiansporting.ca\/products\/black-diamond-rocklock-screwgate-locking-belay-rappelling","provider":"Canadian Sporting","version":"1.0","type":"link"}