5 Ratchet Binders for Heavy Duty Cargo Flatbed Trailers 5/16" - 3/8" (5) Commercial Grade Ratchet Style Chain Binders For Use With 5/16" or 3/8" Grade 70 Transport Chain Handle is 13 1/2" long and hook to hook length is 22 1/2" when closed The Lot of (5) Ratchet Chain Binders You Are Bidding On Are Proof Tested and Have a 23,100 lb MBS (Minimum breaking strength) and a 5,400 lb WLL (Working load limit) STAMPED ON THE HANDLE