Description: Heat treated carbon steel for strength Suitable for all hand and power drills Contains all popular sizes of countersink bits Suitable for hardness lower material, such as wood 5 Flutes chamfering device Drill bit Shank: 1/4" Hex Material:HSS Surface treatment: titanium Quantiy: 1 Set 3pcs (12 ,16, 19MM ) Package includes: 1 set chamfering device Drill bit(3pcs)
