【OPEN-END DESIGN】Our appearance design obtained US patent.One end is an open-end wrench and the other end is a open-end and fixed-head ratchet wrench,to enhance your work efficiency. 【72-TOOTH DESIGN】Compared to 30° for standard wrenches to move fasteners, the Anbull combination wrench set with a 72-tooth design of the precision ratchet wheel requires only 5°working swing arc,can meet your work needs. 【Suitable for the scene】Used to tighten hexagon head, square head bolts or nuts, usually used for assembly and maintenance operations of mechanical equipment, is a tool for machinery, auto repair and other industries. 【EXCELLENT QUALITY】 The wrench set forged from high quality chrome vanadium steel,high hardness, high torque(Torque test up to 20,000 times), good toughness and longer service life.Mirror polish treatment on the wrench surface, beautiful and not easy to rust. 【10 SAE WRENCHES and BOX】3/8'' 7/16'' 1/2'' 9/16'' 5/8'' 11/16'' 5/16'' 11/32'' 19/32'' 3/4''.This product is also equipped with a sturdy tool box, which is convenient for you to carry and store tools.