Material: Steel. Color: Blue (as picture shown) Adjustable Jaw Distance: 8mm-52mm. Approx. Size: 7 x 3.9 x 0.7cm. Weight: Approx. 41~46g. Package Included: 1 x Adjustable Watch Opener. Comment: 1. Due to manual measurement, the displayed size may have a difference of 0-2cm. Thanks for your understanding. 2. Depending on the brightness and lighting settings of the monitor, the actual color may be slightly different from the image. Please take the actual products as standard. Easy to use: Just roll the adjustment dial to adjust the tip spacing to fit the grooves on the watch back, and then turn to remove the watch back. Adjustable to different sizes: Turn the screw to adjust the diameter, and the adjustable jaw distance is about 8mm-52mm, which can be suitable for watches of different sizes. Premium Quality: Our case openers are made of high quality steel and are well constructed. Opening the case is the most efficient solution. Compact size: 7 x 3 x 0.7 cm. Convenient and easy to carry. Ideal for opening waterproof cases, changing batteries and maintaining watches. Good quality product