1/2"-5/8" Ratchet Chain Binder Load Binder Heavy DutyRatchet Load Binder Chain Binder 1 2 in. 5 8 in. Truck Tie Down Our ratchet chain load binder for 1 2 in. grade 70 chains for truck cargo tie down is all steel, drop forged, meet or exceed FMCSA and DOT specifications. Our load binders are versatile and all of them are adjustable, these heavy duty chain tensioners are designed to offer transport cargo securement. Our binders work with both grade 70 chains and grade 80 chains, sometimes you can use