Master Lock 71CH Heavy Duty Shackle Chain with Shackle Collar included <ul> <li>9 inch (229mm) heavy duty zinc plated steel chain with mounting plate (Mounting screws are not included)</li> <li>chain keeps safety padlock close to equipment</li> <li>collars available for padlocks with 7/32", 1/4", 9/32", 5/16", 3/8" and 7/16" shackle diameter.</li> <li>collars include rivet for attachment to the chain</li> </ul>