Sea-Dog Bronze Trigger Snap Sea Dog Trigger Snaps are designed for marine and industrial rigging applications. These snaps feature an extra secure hinged snap hook that closes tighter under load. This trigger snap is constructed of die cast manganese bronze for corrosion resistance and durability. Spring-loaded bolts provide secure closure with the advantage of an easy-open thumb lever. Die cast manganese bronze construction 360 Degree swivel strap eye eliminates tangling Dimensions A 2-916 B 12