Magic wrenches work on any shape of nut or bolt. Compatible with all types of bolts and nuts - the wrench size can be extended from 9mm to 45mm. Ergonomic design: convenient for working in tight spaces. The red part of the wrench is made of rubber and therefore prevents the wrench from falling off. EASY TO USE: No more guessing about the size of bolts or pipes, just squeeze with one hand to adjust. Coverage area: Instantly adapts to pipes and fittings from 9 to 45 mm. Magic wrenches are versatile and can be used for both industrial and professional work. You can tighten any screw with this magic wrench. You can also use this wrench for housework. Type: Multi-function wrench. Material: High carbon steel. Length: 293mm. Width: 46mm. Thickness: 12mm. Available sizes: 9mm-45mm. Note: 1. For your safety, please wear gloves and goggles. 2. Keep your fingers away from the lower teeth. 3. Please keep it out of reach of children. Package Contents: 1 x Claw Wrench (other products in the picture