CRAFTMEMORE 2pcs 1 3/8 Inch O Rings Snap Clip Trigger Spring Opening Keyring Buckle Purse Hardware SCOS (Gunmetal) is the perfect choice for your DIY craft projects. Made of zinc alloy metal with rust-preventive coating, these O-rings are high strength and highly resistant to corrosion. With an inside diameter of 1 3/8 inch (35 mm) and an outside diameter of 1.85 inch (47 mm), these spring-opening O rings are perfect for key rings, purse loops, handbags and more. Get your CRAFTMEMORE 2pcs 1 3/8 Inch O Rings Snap Clip Trigger Spring Opening Keyring Buckle Purse Hardware SCOS (Gunmetal) today and start creating! For more metal craft accessories, visit our CRAFTMEMORE storefront on Amazon.