■ Clear Size Marking for Easy-to-find
■ Drill Bit with 5% Co for Long-Life Usage
■ Drill Tip with Double Rear Angles, for Good Centering
■ 25PCS 1.0,1.5,2.0,2.5,3.0.3.5,4.0,4.5,5.0,5.5,6.0,6.5,7.0,7.5,8.0,8.5,9.0,9.5,10,10.5,11.0,11.5,12.0,12.5,13.0mm