Sets included: 4 PCS Tube Type Wood Plug Cutters: 1/4 Inch,3/8 Inch,1/2Inch,5/8 Inch; 4 PCS Claw Type Wood Plug Cutters: 1/4 Inch,3/8 Inch,1/2Inch,5/8 Inch; 7 PCS Wood Countersink Bits : 3MM, 3.5MM, 4MM, 4.5MM, 5MM, 5.5MM and 6MM

1.This set is presented in a handsome hardwood case and includes the following:8 wood plug cutter which are 1/4,3/8,1/2,5/8 Inch  correspond with 7 Countersink Bits which are 3, 3.5, 4, 4.5, 5 , 5.5 and 6MM
2.Funcation: Make countersink bored hole on wood. Wood plug cutter, dowel maker.
3.Note:Suitable for bench, speed not too fast, otherwise will smoke, charred, etc.
4.Material:45 # carbon steel.Carbon steel is durable,Precision production, smooth surface
5.Chamfered Cutters Make Tapered plugs To Fill Countersunk Holes.