Black Diamond RockLock Twistlock Carabiner

Black Diamond’s largest locking carabiner, the RockLock is a one-hand operable autolocking twistlock carabiner perfect for belaying, rappelling or anchors, and now features a hot-forged lightweight construction, a redesigned spine for better handling, and a larger rope-bearing surface for greater durability.
Product specs* Weight: 89 g / 3.14 oz
* Closed Gate Strength: 24 kN / 5395 lbf
* Open Gate Strength: 8 kN / 1798 lbf
* Minor Axis Strength: 8 kN / 1798 lbf
* Gate Opening: 24 mm / 0.95 in

Features:
* Hot-Forged for lighter-weight construction
* Square hinge end holds belay loop securely in place
* Slightly curved spine maximizes gate opening
* Keylock nose prevents snagging
* One-hand operable
* Autolocking Twistlock sleeve
* Type H or HMS connector. For dynamic belaying using a Munter Hitch or belay device