Black Diamonds Quicksilver2 Screwgate is updated with a locking gate and screwgate sleeve, and now shares the same body as the Quicksilver2, with its wide rope-bearing width of 9.5mm and an angled nose for easy clipping.

The Black Diamond Rocklock Screwgate carabiner is one of Black Diamonds largest locking biners. The new Keylock has a non-snagging keylock nose.

The Black Diamond Positron Screwgate has a keylock nose that prevents it from snagging on pro. The Positron Screwgate is THE versatile locker to own.

The Metolius Matrix Locker is the true all-purpose locking carabiner from Metolius, perfect for building top-rope anchors.

The Petzl Attache Lock Carabiner is ideal for attaching oneself to the belay, and for belaying directly off the anchor.

The Black Diamond Rocklock Twistlock carabiner is one of Black Diamonds largest locking biners. The new Keylock has a non-snagging keylock nose.

The Petzl William Lock Carabiner is a manual locking biner with large gate opening.

The William Ball Lock Carabiner is an auto locking version of the popular William Lock Carabiner and is the ultimate choice for auto locking belay carabiners.

The Petzl William Triact carabiner is an auto-locking version of the popular William Lock Carabiner, and is an ideal auto-locking belay carabiner.