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Locking Carabiner

Locking carabiners for indoor and sport rock climbing. The dual pin and auto locking carabiners use a spring mechanism to snap in a clocked position, while the screw gate carabiner locks using threads which must be twisted into a locked position. A lock-type carabiner is particularly useful for climbing applications.

Locking Mechanism

The locking mechanism creates a secure anchor which is much more difficult to accidentally open. This can happen during belaying and anchoring activities if the climbing rope is twisted or the carabiner is pressed against a rock or other gear. The locking mechanism provides added security. Typically, climbers need 2 or 3 locking carabiners and a belay device for anchoring gear and belays.

Locking Carabiner Gate

Locking Carabiner GateThe locking carabiner has sleeve that slides or screws over the gate which locks it closed. It has an "auto locking" spring loaded screw sleeve, or a threaded screw gate. The spring sleeve rests in the closed position. The climber must twist the sleeve to open the gate. Twist lock sleeves are easy to use and can be operated with one hand. These are popular for indoor and sport climbing.

Screw Gate Type

Screw gate type locks can also be operated with one hand. When locked, the sleeve screws over the latch preventing the gate from opening unless it is unscrewed. This type is popular with outdoor, canyon and big wall climbing. They considered by most climbers to be the most secure type of locking carabiner. These are slightly larger than the non-locking version which makes it applicable to use for connecting two ropes together, or connecting a rope to a runner. The locking type can be found in all of the same shapes as the snap type: Oval, D-symmetrical and A-symmetrical.

Use of Locking Carabiners

Belaying, rappelling and abseiling are the most common uses for locking carabiners. The largest of the locking types are the most popular as it provides more room for the rope and sling, or two ropes. Plus the additional space gives working room for fingers.

Camcon Locking Carabiner, Small Cc23000

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Camcon Locking Carabiner, Small CC23000

Orbit Lock Carabiner (Screwgate)

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The Orbit Screw Gate Carabiner has a nose profile that easily slips into and out of webbing and old pins making it ideal for setting up snag-free anchors. While wonderfully lightweight, the Orbit Screw Gate also maintains a good size with ample inner area for working with ropes.

Mad Rock Super Tech Screw Carabiner (Black)

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One of the lightest keylock screwgates in the world.

Black Diamond Rocklock Screwgate Carabiner

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Black Diamond's largest belay and rappel locker. Square hinge end holds belay loop securely in place. Slightly curved spine maximizes gate opening.

Mad Rock Ultra Tech HMS Triple Lock Locking Carabiner

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The MADLOK-HMS carabiner is a great match for your belay device. This triple action auto-lock carabiner also features the forged I-beam construction and a snag proof keyless nose.

DMM Sentinel HMS Locking Carabiner

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Clip into the DMM Sentinel HMS Screwgate Carabiner for belaying, making lightweight anchors, or streamlining your rack. This mini locker complements your skinny-rope setup, and won't snag your cord thanks to it's keylock nose. The offset shape gives it the functionality of larger carabiners...

Black Diamond Nitron Screwgate Locking Carabiner

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Carry a couple of the lightweight Black Diamond Nitron Screwgate locking carabiners to secure yourself to an anchor before belaying your buddy up.

CAMP USA Guide Lock Carabiner

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For a super-burly workhorse biner, look no further than the CAMP USA Guide Bet Lock Carabiner. Rated to 32kN, the D-shaped Guide is perfectly equipped for use in anchor and belay applications and features a reliable screw gate for secure closed systems.

HMS Picto Lock Carabiner (Screwgate)

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Super compact and lightweight HMS screw gate carabiner with a keylocking closure to reduce snagging when working with ropes and webbing. A great workhorse.

HMS Lock Carabiner (Screwgate)

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Large screw gate carabiner designed for belaying and rappelling with either a Munter hitch or standard belay device. Keylocking closure eliminates snagging.

Black Diamond VaporLock Screwgate Locking Carabiner

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The ultralight Black Diamond VaporLock locking carabiner is an ideal choice for belaying, lowering and rappelling.

HMS Lock Carabiner (Screwgate) - Black

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The CAMP HMS Lock is a large screw gate carabiner designed for belaying and rappelling with either a Munter hitch or standard belay device. Keylocking closure eliminates snagging.

Petzl OK Oval Screwgate Locking Carabiner

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The symmetric shape of the Petzl OK Oval Screwgate locking carabiner makes it especially useful when rigging hauling systems.

Black Diamond GridLock Belay Screwgate Locking Carabiner

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The hot-forged Black Diamond GridLock Belay Screwgate locking carabiner has a patent-pending design that keeps the 'biner properly oriented while you're belaying.

DMM Shadow Locking Carabiner

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DMM's I-beam construction gives the Shadow Locking Carabiner a burly 24kN of strength. The Shadow comes with a standard screwgate, a speedy auto-locking quicklock gate, or a super secure locksafe gate. All Shadow carabiners have keylock noses to prevent snagging.

DMM Revolver Locking Carabiner

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The DMM Revolver Locking Carabiner features an integrated pulley to reduce rope drag on a meandering rock pitch or reduce friction from your crevasse rescue system. Popular among search and rescue personal, this unique carabiner reduces the number of pulleys needed in complicated hauling and lowering...

Fusion Ovatti Oval Style Screw Locking Gate Carabiner

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Ovatti-Oval Stlye-Screw Locking Gate-Steel Oval-Shaped Carabiner Decreases The Chances Of Cross Loading The Gate And Distributes The Load Evenly Making It Ideal For Use With Pulleys. Strong And Versatile With An Alloy Steel Body And Screw-Locking Gate.

Fusion Climb Unisex Contigua Straight Gate Carabiner

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CONTIGUA- Super light mini aluminum and ultra lightweight yet strength tested to 23kN. Great for female climbers and youth climbers. Easy to clip, great and soft gate action. A choice for draw sets. Available in various colors. Ultra small and light (only 1.3oz), yet strength tested to 23kN! When light...

Fusion Climb Unisex Eureka Auto Lock Carabiners

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EUREKA-Outer Dimension: 4.45" x 2.9". Pear shaped cold forged aluminum auto-locking carabiner with a generous opening. Perfect for belaying and a variety of tactical and climbing uses. Spring loaded auto locking gate is easy to use with one hand and locks as soon as its released. Meets EN...

Black Diamond Positron Screwgate Carabiner

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DECENT FEATURES of the Black Diamond Positron Screwgate Carabiner Deep basket reduces fumbly clips Key lock nose prevents snagging Easy-to-hold functional shape Screwgate sleeve The SPECS Weight: 2 oz / 56 g Closed Gate Strength: 5.620 lbf / 25 kN Open Gate Strength: 1.798 lbf / 8 kN Minor Axis Strength:...

Petzl William Locking Carabiner

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A large carabiner can come in handy in many places. This one's shape and size means it's useful for belaying and rappelling with the Munter hitch with single or double ropes, anchoring multiple ropes and slings and keeping the belay station organized.
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