Lever Chain Load Binder with Grab Hooks (4-pack) 5/16" X 3/8" Quantity: 4, Size: 5/16" x 3/8" Lever Chain Binder For 5/16" Grade 70 Chain OR 3/8" Grade 43 Chain Break Strength: 16,200 lbs Work Load Limit: 5,400 lbs Provides controlled binding and releasing of chain without the use of extra tools