Superb MaterialThe wood plug cutter set is made of outstanding carbon steel material with high precision, high strength and smooth surfaces, which is corrosion resistant, wear resistant, not easy to break, and durable for long time use. Multiple SizesThe hole cutters set for wood contains two shapes, each shaped has four sizes, 1/4(wood plug 6mm), 3/8(wood plug 10mm), 1/2(wood plug 13mm), 5/8(wood plug 16mm). Shank Diameter: approx.10mm. Powerful FunctionsFlexible and easy to operate, can be used for working to make holes and take round corks. Useful to remove old nails and screws from furniture and floor. Widely UseOur wood plug cutter set can be used with bench drill, hand drill or other professional bench drilling machine. To avoid slipping or eccentricity during drilling, we recommend to use bench drill, or fix the drill. Package IncludeThis wood plug cutter set includes 4 pcs tapered drill bits and 4 pcs claw drill bits to meet your daily work needs. Please control the speed when using, if speed is too fast, it may get stuck or producesmoke.