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Climbing Carabiners and Snap Hooks

Climbing carabiners are used in everyday work situations by arborists. They vary in their uses from rigging, life support, and even just for carrying accessories. Many include a locking function to keep the gate from accidentally opening during a climb. These are referred to as auto-locking carabiners. Some even have 2 locks, or “double locking.”

Carabiners are not snap hooks--there is a difference. Carabiners open away from the loop while snap hooks open by pushing in toward the loop.

USING CARABINERS FOR LIFE SUPPORT

Any carabiner used for life support must be auto-locking, have at least three consecutive, deliberate actions to prepare the gate for opening per ANSI Z133. They must have a minimum tensile strength of 5,000 pounds (22.24kN). Ones made from aluminum would be a good choice for life support being that they are lighter in weight than their steel cousins, just like the DMM Ultra O Lock safe as an example.

USING CARABINERS FOR RIGGING

Carabiners used for light rigging do not have to be double locking, but for some applications, double locking would be the safer option. Choose steel for rigging as they won’t warp or fail as quickly as an aluminum ones may. A good example is the very popular ISC Steel Oval Screwgate Carabiner.

USING CARABINERS TO CARRY CLIMBING ACCESSORIES

Non-locking carabiners are used as accessory clips for attaching ropes, rigging gear, or saws to a climbing harness. Some are made of plastic and others are made of aluminum. A good choice for carrying accessories would be the Petzl Spirit Carabiner.

  • DMM ULTRA OVAL LOCKSAFE CARABINER
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    from $23.36

    DMM ULTRA OVAL LOCKSAFE CARABINER

    DMM

    A true oval carabiner that not only functions flawlessly but also helps orient gear and pulleys to the center of the carabiner to keep from side lo...

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  • DMM ULTRA O - 3 PACK
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    $74.95
    $67.46

    DMM ULTRA O - 3 PACK

    DMM

    The Ultra O Carabiner 3 Pack could be described as the perfect aid climbing biners. Oval biners are important because they allow pulleys to sit in...

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    $74.95
    $67.46
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  • SENTINEL LOCKSAFE CARABINER
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    $24.45
    $22.01

    SENTINEL LOCKSAFE CARABINER

    DMM

    Bartlett Exclusive Carabiner! These carabiners have the Bartlett Arborist Supply logo along the spine! The distinctive shape of this stylish littl...

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    $24.45
    $22.01
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  • PERFECTO LOCKSAFE CARABINER
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    $26.95
    $24.26

    PERFECTO LOCKSAFE CARABINER

    DMM

    The PerfectO is a compact true oval locksafe carabiner that maintains ease of use, even one-handed. Its shape provides effective centering of loads...

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    $26.95
    $24.26
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  • DMM ULTRA OVAL SCREWGATE CARABINER
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    $17.95
    $16.16

    DMM ULTRA OVAL SCREWGATE CARABINER

    DMM

    A true oval carabiner that not only functions flawlessly but also helps orient gear and pulleys to the center of the carabiner to keep from side lo...

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    $17.95
    $16.16
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  • DMM SHADOW - 3 PACK
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    $72.95
    $65.66

    DMM SHADOW - 3 PACK

    DMM

    This is a high performance, lightweight locking biner suitable for a wide range of uses. The extra wide gate opening and larger size make it easie...

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    $72.95
    $65.66
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  • PERFECTO LOCKSAFE WITH CAPTIVE BAR
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    $27.95
    $25.16

    PERFECTO LOCKSAFE WITH CAPTIVE BAR

    DMM

    The PerfectO is a compact true oval carabiner that maintains ease of use, even one-handed. Its shape provides effective centering of loads and the ...

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    $27.95
    $25.16
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  • DMM ULTRA OVAL QUICKLOCK CARABINER
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    $23.95
    $21.56

    DMM ULTRA OVAL QUICKLOCK CARABINER

    DMM

    A true oval carabiner that not only functions flawlessly but also helps orient gear and pulleys to the center of the carabiner to keep from side lo...

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    $23.95
    $21.56
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  • DMM RHINO HMS LOCKSAFE
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    $25.95
    $23.36

    DMM RHINO HMS LOCKSAFE

    DMM

    The Rhino HMS carabiner tackles cross loading head on! The horn feature on the leading edge of the spine significantly reduces the possibility of c...

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    $25.95
    $23.36
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  • DMM REVOLVER LOCKSAFE CARABINER
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    $49.95
    $44.96

    DMM REVOLVER LOCKSAFE CARABINER

    DMM

    The Revolver carabiners offer a unique pulley sheave at one end of the carabiner to use for mechanical advantage systems, speed lines, and hauling ...

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    $44.96
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  • DMM BOA CARABINER
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    $26.95
    $24.26

    DMM BOA CARABINER

    DMM

    The Boa is the Grandaddy of all locking carabiners. It's able to handle the toughest of rigging scenarios with it's impressive gate closed strengt...

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    $26.95
    $24.26
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  • DMM ULTRA D LOCKSAFE
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    $26.95
    $24.26

    DMM ULTRA D LOCKSAFE

    DMM

    The Ultra D locksafe is similar in size to the Ultra O but with even greater strength due to the back configuration. The pronounced D-shape forces ...

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    $26.95
    $24.26
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  • DMM REVOLVER SCREWGATE CARABINER
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    $39.95
    $35.96

    DMM REVOLVER SCREWGATE CARABINER

    DMM

    The Revolver carabiners offer a unique pulley sheave at one end of the carabiner to use for mechanical advantage systems, speed lines, and hauling ...

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    $35.96
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  • DMM ULTRA D LOCKSAFE ANSI
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    $31.95
    $28.76

    DMM ULTRA D LOCKSAFE ANSI

    DMM

    The Ultra D locksafe ANSI is similar in size to the Ultra O but with even greater strength due to the back configuration. The pronounced D-shape fo...

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    $31.95
    $28.76
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  • DMM DIRECTOR YOKE LOCKSAFE ROPE SPACER
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    $51.95
    $46.76

    DMM DIRECTOR YOKE LOCKSAFE ROPE SPACER

    DMM

    Ideal for lanyards, these lightweight, versatile and strong carabiners are easy to handle and can reduce the overall length of a system. The Direc...

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    $51.95
    $46.76
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  • DMM REVOLVER QUICKLOCK CARABINER
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    $47.95
    $43.16

    DMM REVOLVER QUICKLOCK CARABINER

    DMM

    The Revolver carabiners offer a unique pulley sheave at one end of the carabiner to use for mechanical advantage systems, speed lines, and hauling ...

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    $47.95
    $43.16
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  • CARABINER ULTRA O DUROLOCK
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    $37.95
    $34.16

    CARABINER ULTRA O DUROLOCK

    DMM

    A true oval carabiner that not only functions flawlessly but also helps orient gear and pulleys to the center of the carabiner to keep from side lo...

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    $37.95
    $34.16
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  • DMM Director Swivel Eye
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    $79.95
    $71.96

    DMM Director Swivel Eye

    DMM

    For a lightweight and strong carabiner ideal for lanyards, use the DMM Director Swivel Eye. Its swivelling eye is textiles-friendly, its gate has a...

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    $79.95
    $71.96
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  • DMM Director Captive Eye
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    $39.95
    $35.96

    DMM Director Captive Eye

    DMM

    The DMM Director Captive Eye is a compact and lightweight termination connector designed to maximize strength and versatility. It features a textil...

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    $39.95
    $35.96
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