The Carabineer LED Keychain Light with Pocket Knife from Dorcy is lightweight, compact and strong. It contains a 5mm (0.2") LED light as well as a concealed pocket knife and saw. The light has a twist on/off mechanism that helps conserve power and prevents accidental use. The carabiner clip is stainless steel for durability.
LR621 Button Cells
Dorcy Carabiner LED Keychain Light with Pocket Knife