This dual sided deburr/chamfer tool is designed to clean the inner bore and outer edge of pipes and tubing made from steel, copper-alloy and aluminium from 4 to 14mm in diameter. It features an ergonomic handle and a retractable countersunk blade to protect the user when not in use and locks solidly in position with a knurled knob. This handheld tool is suitable for use on a wide range of deburring jobs around the workshop and at home and is ideal for use by mechanics, machinists, plumbers and DIYers.