3/8", Cast Steel Ratchet Load Binder, Forged Steel Components, Turnbuckle Style Ratchet, & Spring Loaded Pawls, Chain Links Are Electric Welded For Flexibility. Handle Length: 14 Inches. Take Up: 9-5/16 Inches. Working Load Limit: 5400 lbs. Proof Test Load: 10,800 LB, Minimum Breaking Strength: 19,000 LB.