Our largest structural size tenon cutter is the 3" size. This large cutter is typically used on gates, fences and bed or hand rails with oversized logs. This commercial-duty, continuous rated large joint cutter is perfect for making structural joints on indoor and outdoor projects. Designed for ranchers or hobby farmers, professional contractors, homebuilders, craftsmen. Made in the USA Includes a 3" Industrial Series Tenon Cutter Creates a 60 tapered shoulder profile In-sight measurement system? Tool Weight: 6 lbs Tool Diameter: 6.450" Tool Length: 7.625" SH1000 (1/2?) ? Shank threads (1-12 UNF) Machines from a solid billet of aluminum Premium plated, threaded shank that can be removed for replacement Dual blade technology? Blades can be replaced or re-sharpened DRILL REQUIREMENTS 1/2" drill Single-speed 450 RPM or less