English Features 1. Made of premium 316 stainless steel to significantly reduce wear and corrosion. Safe working load depends on application and uniform shackle orientation under load. Heavy duty, high strength swivel snap hook. Quick release pin allows snap hook to be released even under tension. With a small steel ring for smooth operation. Split ring on plunger pin is spot welded for safety. Avoid sharp edges and high temperature corrosion of the surface. Specification: Shackle Type: Jaw Swivel Material: AISI 316 Stainless Steel Length and Working Load of Each Size: Shackle Length: 2-3/4" Minimum Breaking Load/Working Load Limit (lbs-force lbf): 1438.78 Shackle Length: 3-1/2" Minimum Breaking Load/Working Load Limit (lbs-force lbf): 1978.32 Shackle Length: 5" Minimum Breaking Load/Working Load Limit (lbs-force lbf): 3664.39 Package Included: 1 x Swivel Shackle Only