Features: Engineering PP material, not easy to damage items, easy to operate, convenient and fast, adjustable size ranges, and adjustable clamping ranges Suitable for scenarios - suitable for clock maintenance and fixation, entertainment Bodhi, woodworking DIY fixation, punching fixation, and other purposes The watch back bottle opener and watch bracket can be easily disassembled to save you time and moneyAdjustable tempering pin for easy use on waterproof housing. Easy to operate The adjustable bottle opener for watches can be used for different sizes and types of watches, without worrying about replacing the battery. The clamping ranges of the watch back case opener is 8-48mm. Note: This watch back case opener is only suitable for rotating open watch covers and not for other watch types that open watch covers Specifications: Size and Type: approx 65.5x47x22mm/ 2.58x1.85x0.87in （Oval Thin Style ） Size and Type approx 64.5x48.8x25.3mm/ 5.54x1.92x1in（Square Style ） Oval Thin Style Clamping ranges :approx 8-48mm Square Style Clamping ranges approx 8-45mm Material：PP+Iron Quantity： 1PC Package Includes: 1PC Watch Opener note: Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.