Quantity: 6pcs Weight: about 100g Three-point wood drill bit diameter: 5#, 6#, 8#, 10#, 12# Color: silver + black Uses: Drill holes in low-hardness panels such as wood, plastic, wood bits and other soft materials. Package Contents: 1 set 5mm twist drill bits + 1 set 6mm twist drill bits + 1 set 8mm twist drill bits + 1 set 10mm twist drill bits + 1 set 12mm twist drill bits + 1 wrench Walnut cutters: Steel cone drill bits are used for drilling holes in wood or other floors hardwood, suitable for bench drills, hammer drills, chuck drills, etc. A must-have for everyday woodworking. Drill Bit Set: 5 high-speed steel structural drill bits for drilling holes with screws in sizes 5#, #6, #8, #10, and #12. Special Designs: Special steel sleeve cutter designs or countersunk holes. Fast Chip Removal: The hex countersunk drill bits feature flutes and chamfers for fast chip removal for smooth surfaces on any type of hardwood. Easy to Use: The hex wrench can adjust the depth of the handle, simply loosen and tighten the set screw to adjust the drilling length for screws of different lengths.Good Quality Product