Holes are centered and sharp - Drilling clean round holes is like child's play with the 3mm - 10mm wood drill kit. Accurate center point ensures materials, precision workmanship, wood twist drills with special, double helix and ultra-sharp cutting edges: higher drilling performance, less friction and service life THE RIGHT DRILL SET FOR YOUR PROJECT - perfect for softwood, hardwood, fiberboard, particle board and more. Insect hotel, garden shed or patio: the set for DIYers and Important size, various practical set - wood twist drill with round handle: Whether through holes or blind holes, this is the perfect wood drill set for cordless screwdrivers and stand drills Color: As Shown Material: high-speed steel Package Contents: 8 x woodworking drill bit Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.