Carabiner: an oblong metal ring with a spring clip or locking devise; used in mountaineering to attach a rope to a piton or to connect two ropes. Strong and dependable for climbing it will also work well for diving. Gauges, computers, game bags, dive lights, cameras, slates, you name it a diver wants to secure it to their BCD or Weight Belt. This need is fulfilled by the use of Clips and Webbing. This #4 Stainless Steel Carabiner can meet that need made of Corrosion Resistant Stainless Steel has a Locking Gate for Positive Retention. These Carabiner Easily-Attach to a BCD D-Ring or will Slips-Over Harness Webbing. Carabiner makes a great Save-a-Dive Kit Item.