Ultra D

The Ultra D is a very strong and versatile high-volume carabiner that is suited to heavy duty rigging and rescue work. The carabiner's shape is a hybrid of the Ultra O and the Zodiac shapes; the resulting longer top bar, wider gate opening, and larger internal volume makes it very easy to use with gloves and when working with thick rope and slings. Plus, the ability for it to accommodate knots at either end and hold pulleys symmetrically makes it very versatile in rigging systems. 
 
Manufactured in tactical colours, it is suited to military and tactical climbing requirements in both mountain and urban environments. 
 

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The nose design on these carabiners helps them resist shearing forces and achieve high side loading strength ratings. Taperlock is an evolution of our Keylock design, which gives a clean internal profile that prevents snagging on gear, bolts and slings.
Product NameProduct CodeColourMBS (Major Axis)MBS (Minor Axis)MBS (Gate Open)DimensionsWeightGate Opening (X)Conformance
Ultra D ScrewgateA332MGMatt Grey30kN12kN9kN66 x 113mm80g22mmEN 362:2004 B/T, EN 12275:2013 B
Ultra D KwiklockA333MGMatt Grey30kN12kN9kN66 x 113mm84g22mmEN 362:2004 B/T, EN 12275:2013 B
Ultra D Kwiklock ANSIA333ANSI-MGMatt Grey30kN16kN9kN66 x 113mm100g16mmEN 362:2004 B/T, ANSI/ASSE Z359.12-2009, CAN/CSA Z259.12-2011
Ultra D LocksafeA337MGMatt Grey30kN12kN9kN66 x 113mm84g22mmEN 362:2004 B/T, EN 12275:2013 B, NFPA 1983:2017 T
Ultra D Locksafe ANSIA337ANSIMGMatt Grey30kN16kN9kN66 x 113mm100g16mmEN 362:2004 B/T, ANSI/ASSE Z359.12-2009, CAN/CSA Z259.12-2011, NFPA 1983:2017 T

Durolock connector locking mechanism

Our unique Durolock mechanism minimises the chance of accidental gate opening. Earlier this year the versatile Ultra O connector was our fourth locking carabiner to be paired with this option. Watch this short video to find out more about the Durolock.