How many times have you thought you were drilling a hole perfectly square, only to find that appearances can be deceiving? Sometimes it is easy to fix those mistakes, most times it isn’t. Next time, simply slip this drill guide’s 3/8" shaft into your electric drill, set the angle from 45ø to 90ø, and be confident the hole you drill is at the angle you choose. Fiberglass reinforced body is rugged, yet won’t weigh down your tool box. Vee guides on the base self center round stock for accurate drilling at any angle. Reverse the anchor pins in the base to convert to a 3" capacity self centering edge drilling guide. Includes a 3/8" capacity drill chuck.