3/8" - 1/2", Ratchet Load Binder, MadeTo Bind Difficult Loads, Turnbuckle Style Ratchet Binder Offers All Steel Construction, Drop Forged Steel Components, Spring Loaded Pawls Provide Infinite Adjustments. High Quality Steel Provides Strength & Dependability, Heat Treated Chain Links Are Electric Welded For Flexibility, 9,200 LB Working Load Limit.