Convenient Hole Opener DIY Drill Bit Countersunk Drill Woodworking Tool Countersink Drills

Label:Yes Function: screw countersunk hole Brand New and high quality. Use: for wood, aluminum alloy screw countersunk hole, opening hole Style: 2.8x8mm/3x8mm/3.2x8mm/3.5x8mm/4x8mm Material: Hard alloy Item: 8mm Shank Router Bit Package Included: (optional) 1 x Drill Bit Note: Please allow 1-5mm measuring deviation due to manual measurement. There are slight difference between the picture and the real item caused by light brightness,hope you can understand.