Description: Material: High speed steel Size: Approx. 166*120*28mm/6.54*4.72*1.10'' 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm and a little wrench After the screw is screwed on the same axis, the screw cap is located below the board level, and the drilling ring can be adjusted up and down It is suitable for drilling machine with chuck or joint, drilling on hard wood and wood layer Package Includes: 7 Pieces Countersink Drill Bit Set Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images. There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item
