HMS NITRO LOCK – Carabiner

  • Our lightest and most compact HMS carabiner
  • Updated body shape increases both open gate and minor axis strengths
  • Keylock nose reduces snagging

One of the lightest locking carabiners in the world. The HMS Nitro Lock, featuring an updated body design and thinner gate, has been optimized to maximize both safety and performance. The design offers an optimal area for working with the Italian hitch knot (HMS) and increases the strength in open gate and minor axis positions. I-Beam construction delivers a high strength-to-weight ratio while still maintaining a rope friendly radius. The keylock nose on the HMS Nitro Lock has also been profiled to fit flawlessly into the tension release point on the Piu 2 belay device for releasing a second after they’ve weighted the rope.


Ref. Product name Weight Major axis Minor axis Open lever Open lever width Carabiner length Carabiner width Material CE Logo
g oz kN kN kN mm mm mm EN 12275
1199 HMS NITRO LOCK 55 1.9 21 9 7 21 104 74 Aluminum alloy H

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