General description Hand Taper Reamer, available in sizes 3-13mm and 5-16mm, is designed for chamfering, reaming tapered holes, and deburring on wooden boards. This tool is ideal for counterboring, making it easy to screw in various applications. Technical specifications Material: 45# steel Weight: 105g Size of Taper Reamer 3-13mm: 9.4 x 9 cm Size of Taper Reamer 5-16mm: 9 x 11 cm Installation Easy to install and disassemble by loosening and tightening the screws to adjust the length of the countersunk bit for different screw lengths. Usage Suitable for use with hex tools such as pneumatic screwdrivers, electric screwdrivers, and manual jackhammers. Effective for reaming tapered holes, chamfering, and deburring on wooden boards.