Item Type: Rotating Snap Hook Material: 316 Stainless steel Purpose: Marine and industrial hardware Product Length: Approx. 87mm / 3.43in Maximum Opening Width of Hook: Approx. 13mm / 0.51in Inner Diameter of Buckle: 3/4in Package List 2 x Rotating Snap Hook 1MARINE GRADE STAINLESS STEEL 316: Made of marine grade stainless steel 316, possess long service life, waterproof, rust proof, corrosion resistant, and can be used in seawater environments 2SAFE CLOSURE: Spring loaded bolts provide a safe closure, the thumb lever is easy to open and close, and the base can be freely and flexibly rotated 360 3FOR KEYCHAINS AND BAG STRAPS: Very suitable for scuba diving, fishing, boating, keychains, camera straps, bag straps 4FOR LEATHER CRAFT PRODUCTS: Can also be used for bungee jumping, pet leashes and collars, flagpoles, tarpaulin covers, clotheslines, leather craft products and more indoor and outdoor use 5FOR INDUSTRIAL HARDWARE: For marine and industrial hardware, the product length is 87mm, the maximum opening width of hook is 13mm, and the inner diameter of buckle is 3/4in