Sizing 2.64"¡Á1.38". Made of high quality aluminium alloy. Hard aluminum alloy manufacturing, using D type aluminum alloy polishing, waterproof, wear-resistant, high strength, durable. Without screw, easy locking, keep your things in safety. Perfect for backpack, key ring, chains, ropes, camping, hiking, fishing, pet, indoor outdoor equipment gear. our logo is welcomed to imprint on the hook!