BeeChamp Outdoor Sports Multi Tool Carabiner with Knife & Philips Screwdriver & Bottle Opener for Mountain Hiking Climbing Adventure Key Ring Keychain Materials: Stainless steel, aluminum carabiner Functions: bottle opener, knife, screwdriver Gifts knife, carabiner clip knife, stainless steel key ring Easy to carry with a convenient hole for threading This carabiner-style multi-tool is the perfect merger of utility and convenience