Black Diamond

Black Diamond Rocklock Screwgate Locking Carabiner

37921

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Description

Our largest belay and rappel locker, the RockLock features a keylock nose and is Munter Hitch compatible. It's available as a screwgate or twistlock, both can be operated with one hand.

Specifications

  • Square hinge end holds belay loop securely in place
  • Slightly curved spine maximizes gate opening
  • Keylock nose prevents snagging
  • One-hand operable

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Review Summary

4.5 out of 5

2 Reviews

Pros
  • easy twist on/off for locking: 1
  • visual locking mark: 1

Cons
  • size: 1

2 Ratings & Reviews

EPFTW
top100Contributor

Its is big
July 11, 2011

Agree with the other reviewer. This biner is a bit large but it is my go to for everything and anything. I use it to belay with both a standard atc, mammut smart, grigri and it works great. I have both the twist lock and the locking and they are both great.

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TypeOfClimbing: Sport / 5
rext22
from Kennewick
18-24 yrs

Great biner but large size
December 20, 2010

Buying this product I had intent for it to be used for a belay device. When I received the Rocklock I was taken aback by its size. I tried to use it as a biner for a belay device and just could not get over the size, it just got in the way for me. So I have now switched it to my anchor lock in biner and it works great. I recommended this product just know what size you are getting into. Well done Altrec as usual for offering such great products!

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