Product Description The Lumberjack Tools Pro tenon cutters are ergonomically designed and feature a radius shoulder profile (Low profile) that offers a more refined look. The tools are safe, fast & easy to use™ to use and the tenon Cutter works like a giant pencil sharpener™. build your own log beds, log railings, log fences, log tables, log chairs, log arbors, log benches & more! A 1/2" Heavy duty drill is recommended for use (Specs: pipe handle drill, single-speed, 450 RPM's or less). Pro tenon cutters are machined from a solid billet of aircraft grade aluminum and feature dual blade technology to cut Tenons quickly and efficiently. They also feature the In-Sight measurement system which allows you to cut Tenons to a specified length by sight or with the use of quick stop pins (not included). Accepts a Log from 1-1/2" - 2-1/2" In diameter. Includes: 1" Tenon Cutter, (1) set of blades (includes (2) blades, (2) button screws, (1) Allen wrench) & (1) manual. Made in the USA From the Manufacturer The Lumberjack Tools Pro Series TTR1000 1-Inch Dual Blade Tenon Cutter cuts a 1-Inch diameter tenon with a radius shoulder on the end of a log or material of your choice up to 2-1/2-Inch. The Lumberjack Tools TTR1000 is designed to run on a 1/2-Inch corded drill or a cordless drill (minimum 18-Volt). Features of the Lumberjack Tools TTR1000 are: ergonomically designed aircraft grade aluminum body, removable/re-sharpen able hardened steel dual cutting blades and our patent pending In-Sight measurement system for quickly measuring the tenon length while cutting. Using the Lumberjack Tools TTR1000 to build your indoor or outdoor rustic furniture projects is easy, fast, safe and efficient.