There are several challenges when drilling angled holes. First is getting theangle correct, next is getting the direction of angle correct, and perhaps mostimportant, you have to get the entry point correct. It’s tough enough doing it on a drillpress, but when you have to do it in the field or on a large workpiece, the challengesget...more challenging. Woodpeckers new AutoAngle Drill Guide marries the bestfeatures of our Auto-Line Drill Guide to a clever protractor base that makes itamazingly simple to set up your drilling angle and hole location. AutoAngle Drill Guide - Standard SKU: AADG-22 (not for use with impact driver) AutoAngle Drill Guide - Deluxe SKU: AADG-DEL-22 Includes AutoAngle Drill Guide , 6 Extension Rods, 2 Flip Stops and Wrench. (not for use with impact driver)