5x Chamfering Countersink Drill Bit Set 1/4 - 3/4 inch for Wood Metal

ADDED DURABILITY: Set includes 5 quick change drill bits for added strength and longevity CUTS AND DEBURRS: Cuts through steel sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill A BIT FOR EVERY JOB: Contains sizes 1/4Inch 3/8Inch 1/2Inch 5/8Inch and 3/4Inch. FITS ALL DRILLS: Locks easily into in hex sleeves and quick release chucks and fits all drills GREAT VALUE: Suitable for low hardness of the workpiec for home repairs and light jobs such as drilling into wallboard or hanging pictures and mirrors. Single edge chamfering device 90 degree color:gold Suitable for hardness lower material such as wood Material:Highcarbon steel Type: 6mm: diameter 6mm Head 6mm suit for 1mm -4 mm Aperture chamfering 10mm: diameter 6mm Head 10mm suit for 2mm -5 mm Aperture chamfering 13mm: diameter 6mm Head 13mm suit for 5mm - 9mm Aperture chamfering 16mm: diameter 6mm Head 16mm suit for 7mm - 12mm Aperture chamfering 19mm: diameter 6mm Head 19mm suit for 8mm - 13mm Aperture chamfering Package Contents: 1 set Chamfering knife (5 pc) Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 13cm.