Ridgid 31310 Light-Duty Chain Wrench 31310 Wrench, C12 Chain This item is used for Handtools & Tool Organizers ,Wrenches This product manufacture by United States Model C-12 A double fast jaw gives fast, ratchet-like action in either direction Ideal for use in close quarters 4-Inch O.D. capacity Ridgid covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool