SinoWare 4 Pack Multipurpose D-Ring Grimloc Keychain Locking Hang Hook Tactical Link Snap for Molle Webbing Used widely by the Army and Marine Corps. Package of 4. Break-away feature, Resistance to solar heating. Can be used on any 1 inch wide piece of webbing and replaces the metal carabiner for attachment of lanyards, weapons, and accessories. Corrosion resistant Stainless Steel Spring and plastic Dimension: 2.17in*1.46in(L* W)