Durable Material: The product is made of premium aluminum alloy material, lightweight and durable. Special design: The product has a simple design, but is very practical to use, giving you a good user experience. Useful function: The product ball is small and is often used in the yard or other occasions. Fine workmanship: Exquisite workmanship, long service life, exquisite details, can serve you for a long time. Meaningful tool: Easy to use, higher stability, no preheating required. The product has been reset to zero, no adjustment required, plug and play is accurate and fast. Specification: Material: Aluminum alloy. Color: Black. Size: About 5.50*3.00*2.50cm/2.17*1.18*0.98in. Battery: 1*CR2 battery. Note: There may be some color distortions due to different computer resolutions. There may be a slight error due to different manual measurements. Package includes: 1 x red adjuster. 1 x screwdriver. 8 pcs adjustable adapter. 2 pcs screws. 1 pc wrench. 1 pc CR2 battery. 1 pc plastic packaging box.