Timber Tuff s TMC-15TCFB Tenon Cutter with Forstner Bit is constructed of a solid die-cast aluminum body for a tough and durable cutter. The dual high speed blade ensures fast and easy cutting. The size of the cookie cutter is 1 ½ inch - other sizes sold separately for a versatile tool. The blades of this cutter are made of steel so they can be re-sharpened and/or replaced. The tenon cutter has a scale to help you. It allows you to balance and fix a dual blade position. The powder coating resists corrosion and ensures a long service life. The tenon cutter works like a large pencil sharpener, making it simple and easy to use. This tool includes the Forstner drill bits for drilling holes for easy furniture assembly. It attaches to your existing 1/2 inch or larger drill so you dont have to buy another power tool. This tool is lightweight but durable and solid for easy handling. Safe, fast and easy to use, this is the perfect tool for hobbyists, homeowners, hobbyists and furniture makers.