1.[Multipurpose Use] - These quick chain connectors are suitable for webbing, backpacks, swings, pet chains, DIY accessories, or keychains. It can also be used for outdoor activities such as camping, fishing, hiking, traveling, shade sails, etc, providing multiple functions to meet various needs 2.[ Chain Link] -Made of 316 stainless steel, it is strong and not easy to break and deform. With excellent hardness and toughness, it is durable, waterproof, rust-proof, and corrosion-resistant, suitable for indoor and outdoor activities. The polished surface is burr- to ensure a and comfortable grip 3.[Size & Package] - Quick Link Size: 1/2' Dia,4.2' total length, 3' wide; Package includes 2Pcs keychain link 4.[Functional Design] - Each link has a locking mechanism to prevent accidental opening. The hex nut and threaded end are designed for a tight connection, preventing slippage, and providing a tight and secure connection Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.