SODIAL(R) Multi Function Hiking Rock Climbing Survival Gear screw gate Carabiner Knife Tool Multi Tool Climbing Hiking Survival Carabiners with Knife Screw Driver Bottle Opener Material: Stainless Steel/Aluminum Alloy Folded Size: 10.5cm L x 6.2cm W Unfold Size: 18.2cm L x 5.6cm W