Preferred Material: Made of high carbon steel, forged alloy steel body increases strength, high torque, good toughness, not easy to slip, durable Universal Size: A total of 3 jaws for nuts from 6 to 32 mm in diameter with a double-headed design, adjusts quickly and efficiently for worry-free nuts by choosing the right size Equipment Design: The bite is tight, the hook and handle are connected by reinforced rivets, and the surface is painted and painted, which is not easy to oxidize TPR Anti-Slip Handle: The ergonomic and anti-slip wrenches are quite good, they have a bi-material handle for a comfortable grip Widely Used: Ideal for automotive maintenance and repair, spiral tubes and nuts, plumbing and general assembly tasks