Specification:Brand newMaterial: The bit is made of high-speed steel and the edger is made of high-carbon steelShank Type: 1/4 Hex Shank (6.3mm)Type: 7/64, 9/64, 11/64, 3/16, 7/32Feature:The bit is made of HSS 4241 high speed steel and the chamfer is made of 45 # steel.The edger is equipped with an adjusting screw that can control the drilling depth.At the same time, it also takes into account the bevel effect, which is convenient and efficient.High strength and hardness.Easy to use.Durable in use.Suitable for woodworking.Package Included:5pcs x Tapered DrillsNote:Please allow a little size errors due to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.