The magic key works with all shapes of bolts or nuts. Compatible with all types of bolts and nuts. The size of the wrench can be extended from 9 to 45 mm. It is very convenient for working in narrow spaces due to its ergonomic design. The red part of the key consists of a rubber material that prevents the key from falling. The magic key is completely versatile and can be used for industrial and professional work. Type: Multifunctional pin wrench. Key shape: double key. Length: 290mm. Width: 55mm. Depth: 12mm; Sizes available: 9mm~45mm. Attention: 1. Wear protective gloves and goggles for your safety. 2. Hold your fingers away from the jaw. 3. Keep out of reach of children. Dimensions: (L x W x H): 290 x 55 x 25 mm. Package contents: 1 magic key.