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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.

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.

Lockstraps 801 Locking Carabiner

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Heavy duty, heat treated steel combination locking carabiner. Perfect for many applications. Up to 600 pounds of strength.

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.

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 Magnetron RockLock Locking Carabiner

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The Black Diamond Magnetron RockLock locking carabiner uses the power of magnets to give you the security of a locking 'biner with incredible ease of use.

Petzl Am'D Triact-Lock Carabiner

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The SPECS Certification: CE EN 362, EN 12275 type K, B 3-year guarantee Weight: 74 g Breaking Strength: Major Axis: 28 kN, Open Gate: 8 kN, Minor Axis: 7 kN Gate Opening: 21 mm Materials: Aluminum 7000 ALL CLIMBING SALES ARE FINAL.

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 57 grams.

Mad Rock Oval Tech Screw Locking Carabiner

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Mad Rock's Oval Tech Screw Locking Carabiner makes for an excellent anchor system, so you can never have too many. This hot forged carabiner is a light and compact addition to your rack, and the screw gate has a smooth feel for better ergonomics.

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 352 standards. Available in red color. MBS: 25 KN.

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.
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