Check the listing for details. 4-Pack Spring Snap Hooks, M10 3.96 Inch Stainless Steel Quick Link Snap Hooks. Condition: New. Listed at 25.41 USD. PRODUCT APPLICATION Heavy spring hooks are suitable for a variety of environments, such as keychains, ropes and chains at the gym, backpack buckles, camping, hiking, fishing, pet chains, hanging ropes, etc.PRODUCT DETAILS √ Type: Spring Snap Hooks √ Material: Stainless Steel√ Overall Size: 3.96 x 1.94 inches/100.8 x 49.5mm(L x W)√ Wire Diameter: 0.38 inches/9.74mm√ Package Includes: 4 pcs x Spring Snap HooksPRODUCT ADVANTAGES1. The rope connector is made of stainless steel, which is corrosion-resistant, high-strength, and good temperature resistance. It can keep its shape in a variety of different environments, allowing you to use it with confidence.2. The keychain clip surface is very smooth, without burrs or raised, and is very safe to use.