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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 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:...

Mad Rock Ultra Tech HMS Screw Carabiner (Silver)

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A great mid sized belay carabiner.

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.

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 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.

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.

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.

CAMP USA Atlas Lock Carabiner

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Camp USA designed the Atlas Lock Carabiner for rescue, rigging, and tactical situations. Made out of an amazingly strong aluminum, the Atlas boasts a major axis strength of 40kN, and the keylock nose adds a lot of convenience when you're cleaning your setups. The Atlas comes with either a screw...

HMS Belay Lock Carabiner

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The HMS Belay Lock Carabiner from C.A.M.P. features a small inner gate that closes over the belay loop once the biner is in its optimal position for belaying or rappelling. First, attach the biner to the belay loop and let it close. Second, open the small gate and insert the belay loop. Third, open the...

Black Diamond Magnetron GridLock Belay Locking Carabiner

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The reinvention of the auto-locking carabiner has arrived. The Black Diamond Magnetron GridLock Belay locking carabiner uses magnets for secure locking and unparalleled ease of use.

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...

Black Diamond RockLock Screwgate Carabiner

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The RockLock Screwgate Carabiner is Black Diamond's biggest biner for belaying, top rope anchors, and long-lasting durability in the climbing world. Black Diamond designed this locker with a keylock nose for snag-free unclipping, a curved spine for a larger gate opening, and a square hinge to hold...

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...

Petzl William Screw-Lock Carabiner

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FEATURES of the Petzl William Screw-Lock Carabiner Large size and opening to allow easy anchoring of several ropes and slings Wide pear shape facilitates belaying with a Munter hitch Keylock system helps prevent snagging of the carabiner during maneuvers Red indicator provides a visual warning when the...

Camp USA Orbit 2Lock Carabiner

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FEATURES of the Camp USA Orbit 2Lock Carabiner An auto-locking carabiner lighter than most non-lockers! Automatic lock requires two actions to open Easy to operate with one hand A great companion for auto-locking belay devices SPECIFICATIONS of the Camp USA Orbit 2Lock Carabiner Weight: 1.8 oz / 51 g...

Mad Rock Ultra Tech Twist-Lock Carabiner

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The Mad Rock Ultra Tech Twist-Lock Carabiner rarely gets bent out of shape. In fact, thanks to humongous strength ratings, it would take a lot to bend this locking biner at all. If you want the convenience and safety of twist-lock without the extra weight, fret not: the Ultra Tech weighs in at a slim...
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