Features TIME SAVING AND LABOR SAVING: Using drilling and tapping principle, one step processing, saving a lot of processing steps and time costs, improve work efficiency APPLICABLE OBJECT: Used for drilling, tapping, deburring and countersunk heads for wood, copper, brass, aluminum, sheet metal and plastics CLEAR SIZE LABEL: Adopt high speed steel and Ti coating. Each tap is engraved with a size label so that you can choose the right size for you SAFE LOCK: 1/4in hex handles are easier and safer to install in all power tools, especially for locking fast change chucks AVOID DAMAGE: Hex handle have tapered ends to prevent excessive impact. Rear taper over tap to prevent damage to thread by over drilling Specification: Item Type: Chamfer Drilling Tools Material: High speed steel Color: Gold, black, silver Purpose: For power tool Package List:6 x Tap3 x Chamfering Drill1 x Quick Release Rod1 x Bit Head Package List 6 x Tap 3 x Chamfering Drill 1 x Quick Release Rod 1 x Bit Head