Manuals Brands Harbor Freight Tools Impact Wrenches Harbor Freight Tools Impact Wrenches Manuals ProdManuals has more than 14 Harbor Freight Tools Impact Wrenches manual(s) covering 14 model(s). 1 3 Models Document Type 1 1 in. Pistol Grip Air Impact Wrench 1/2 in. Professional Air Impact Wrench 1 in. Professional Air Impact Wrench 1 in. Industrial Pinless Air Impact Wrench 1/2 in. Heavy Duty Air Impact Wrench 1/2 in. Air Impact Wrench 1/2 in. Heavy Duty Composite Air Impact Wrench 1/2 Composite Air Impact Wrench 1/2 in. Air Impact Wrench With Extended Anvil 3 3/4 in. Professional Air Impact Wrench 3/4 in. Heavy Duty Air Impact Wrench 3/8 in. Professional Air Impact Wrench 3/8 in. Compact Air Impact Wrench 3/8 in. Butterfly Air Impact Wrench