1. Material The adjustable metal wrench is made of quality metal with corrosion and rust resistance, ensuring durability and sturdiness. The surface is finely crafted and smoothly polished, preventing hand injuries during use. 2. Adjustable Jaw The angle grinder nut removal wrench features an adjustable jaw. Simply pull and open the two handles to increase the distance between the two pins, accommodating various sizes of bolts, screws, and nuts. 3. Quick Removal The universal 4mm pin wrench has a round pin that securely fits onto the nut, providing increased torque to easily and quickly grip or remove damaged or rusted nuts and screws. Its dualjaw design ensures a firm hold and prevents slipping. 4. Size The adjustable metal wrench measures 180 mm/7.08 inches in length with a pin width of 4 mm/0.15 inches, suitable for removing all spacers, washers, and nuts with a 4 mm/0.15inch hole.