-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.
Package Weight : 51 G / 1.80 Ounces
Package Dimensions (L*W*H) : 50*10*10 MM / 1.97*0.39*0.39 Inches