?Carabiner Keychain Size? Carabiner Length: 2.36 inch, Width: 1.18 inch, hook thickness (wire diameter): 6mm. ?Made to Last?The spring snap hook made of galvanized steel, durable and corrosion resistance. they are constructed with premium polishing surface, available in corrosion resistant and rustproof. ?Spring Snap Clip Design?Quick link opens and closes smoothly like a spring, you can open and close easily by using one hand, which allows for quick attachment of keychain, rope and backpack. ?Heavy-Duty Carabiner Clip M6?: Package contains 100 pack silver spring snap hook, carabiner clips that sturdy and durable, they also work as backpack clips, rope hooks or just as a carabiner for keys, which are ideal for most indoor and outdoor applications. ?Multi-Applications?These carabiner clips are multifunctional binding, perfect for outdoor or indoor and heavy duty use, such as camping, hiking, traveling, fishing, boating,key chain, gym, dog leash, sport water bottles and more. (Notice:Not for climbing adventures)