Provide both a fine poinet and a medium pitch screw point, gives the operator a choice of feed speeds
Designed especially for professional carpenters, electricians and plumbers for faster and deeper boring, without clogging or binding
Diameter size:(inch)--1-3/8",1-1/2",1-3/4",2-1/8",2-9/16",3-5/8",4-5/8"