This multi purpose wrench,made of stainless steel,can be used for bike riding,cycling,camping,outdoor and indoor activities etc. Name:multi purpose wrench Material:stainless steel 420# closed size:15.8CM QTY:48PCS/CTN. Measurement:36.5X27X24CM N/W:11.5KG G/W:12.5KG Packing:PP bag with nylon pouch. Multi wrench ,high quality,can be used for sales,promotion and household. multi purpose wrench