Made from alloy, this anti-rust and stable tool has a double bearing design for smooth operation and adjustable size compatibility with various driver types Watch sharpener holder to increase the life of the driver The fixed hole size is 5.75mm. Please pay attention to whether it matches the driver Its compact design makes an essential addition to any tool kit, providing convenience and practicality for repairs Suitable for home users, professional repair technicians and enthusiasts looking for reliable maintenance tools, Manufacturer: Uitndvyte