-The drill hole is smooth and complete,it won't produce shock phenomenon,easy to position
-Small incision resistance,can improve working speed and easy to operation.
-Use for Ceramic Tiles,Mirror and Glass.
-For use with drills that have a 3/8" or larger chucks.
Drill Size: 5x70mm
Package Weight : 7 G / 0.25 Ounces
Package Dimensions (L*W*H) : 70*5*5 MM / 2.76*0.20*0.20 Inches