Campbell Chain & Fittings T7604002 Round Eye Panic Snap, Rigid, 1/2", Tagged (Pack of 10). Typical uses include tarp covers, key rings, gate closures, flagpoles, and other home, farm, recreational, and marine applications. Also ideal for pet leashes and tie-outs. Do not exceed the working load limit. Do not use for overhead lifting or hoisting. Trade Size: 1/2", Finish: Zinc Plated, Length: 4", Ring Opening: 1/2", Working Load Limit: 140 lbs. Material Number: T7604002.