HMS
Mammut
Classic HMS Screwgate Carabiner
The Mammut Classic HMS Screwgate is a classic aluminium belay carabiner in medium-size pear-shape that is versatile for belay and anchor construction or for belaying with a variety of devices. Includes safety features such as orange unlocked marker and keylock nose.
Edelrid
HMS Bullet Screw Eco
The Edelrid HMS Bullet Screw Eco is a robust and reliable HMS karabiner with a screwgate closure for quick, secure, and intuitive handling. Its keylock design prevents snagging, making it ideal for belaying and use with Edelrid belay devices. Built with H-profile construction for maximum strength at minimal weight, it combines durability with performance. The Eco colour version is non-anodized, making it a more sustainable choice for environmentally conscious climbers.
Edelrid
HMS Bulletproof Screw Eco
The Edelrid HMS Bulletproof Screw Eco is a lightweight yet durable karabiner featuring a steel insert at its apex to prevent wear and sharp edges. Designed with H-profile construction, it offers maximum strength at minimal weight, making it ideal for top-roping and heavy use. The Eco version is non-anodized for greater sustainability, while the screwgate closure provides secure and intuitive handling. A smart, long-lasting alternative to full steel karabiners.
Black Diamond
RockLock
The Black Diamond RockLock Screwgate is BD’s largest locking karabiner, built for belaying, rappelling, and anchors. Its hot-forged aluminium construction combines durability with reduced weight, while the curved spine provides a wide gate opening for easier handling. The square hinge end keeps the belay loop securely in place, and the keylock nose prevents snagging. Munter Hitch compatible and one-hand operable, the RockLock is a dependable HMS-style connector for any climber.
Edelrid
HMS Strike Screw
The Edelrid HMS Strike Screw is a lightweight and compact HMS karabiner, ideal for belaying and abseiling. Its large internal volume makes rope handling easy, while the pear-shaped design is well-suited to belay devices and Munter hitches. Built with H-profile hot forging for strength-to-weight efficiency, it also features a keylock nose for snag-free use. A versatile all-rounder, perfect for trad and alpine climbing.
Edelrid
HMS Strike Screw FG
The Edelrid HMS Strike Screw FG is a compact HMS carabiner with an integrated spring bar to prevent it from twisting. The ideal belay carabiner with a shape designed to work with the Edelrid Mega Jul, Giga Jul and Jul 2.
Edelrid
HMS Bulletproof Screw
The Edelrid HMS Bulletproof Screw is a robust belay karabiner reinforced with a steel insert at the apex to prevent premature wear. Combining durability with reduced weight, it’s lighter than a full steel karabiner while offering far greater longevity than aluminium alone. The H-profile design optimises strength-to-weight performance, while the keylock nose ensures snag-free clipping and unclipping. Ideal for belaying, top-roping, and use with bolt hangers.
Edelrid
HMS Strike Slider FG
The Edelrid HMS Strike Slider FG is a fantastic belay karabiner that provides solutions to the problems that climbers have with their belaying krabs. The use of i-beam or H-profile construction creates a lightweight HMS or Pear shaped biner which is designed to work perfectly with the assisted breaking Edelrid Jul, Mega Jul and Micro Jul belay devices but will work equally well with any other belay device.
Black Diamond
GridLock Screwgate
The Black Diamond GridLock Screwgate Karabiner has been engineered to eliminate cross-loading during belaying. Its unique, patent-pending design isolates the harness belay loop behind the internal gate, ensuring the karabiner always stays properly aligned. Built with hot-forged construction, an I-beam spine, and a large rope-bearing surface, it offers maximum strength, smooth rope handling, and reduced wear. Easy to use, intuitive, and secure, the GridLock is the ultimate belay-specific karabiner for climbers who want safety and simplicity.
DMM
Belay Master
The DMM Belay Master is a safety-focused belay karabiner with a nylon crossgate lock that prevents accidental unlocking and cross-loading. Its foolproof design ensures correct orientation, making it ideal for beginners and instructors. A full-section top bar delivers smooth rope handling and reduces gear wear, while its robust build resists rotation under load. Compatible with a wide range of belay devices, it’s a trusted choice for climbers of all levels.