Lumberjack Tools Industrial Series 1 1/2" Tenon Cutter (TTA1500) Ergonomically designed, lightweight, safe and easy to use Cuts a 1 1/2" diameter tenon with a 60 tapered shoulder profile Designed to run on a heavy duty 1/2", single speed, high torque, low rpm (500 or less) corded drill Great for professionals, contractors, craftspeople, those who prefer the tapered shoulder style and those who need a larger log capacity Features Lumberjack Tools exclusive in-sight measurement system Proudly designed and made in USA