Made of highquality materials and heattreated, it has the characteristics of high precision, smooth cutting operation, good impact resistance, and good toughness.Highspeed steel handle, sturdy and suitable for drill presses, drills, bench drills, vertical drills, handheld electric drills, vertical electric drills, and mobile belt magnetic drills, etc.Drill bit package includes 4 pieces, (12and14and15and16) mm, which can meet your different needs.Small cutting resistance, increase opening speed, fragile and no vibration.Wide range of applications any wood and wood products, plastics, plywood and other materials require exquisite perforation, suitable for industrial hinge installation, wood processing and maintenance, model making, ball door installation, drawers and other occasions. Can better meet the needs of DIY makers.Colour:BlackMaterial:Cemented CarbidePackage Contents:1 set x Wood hole saw drill bitsOnly 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 and/ 13cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia