ADJUSTABLE LANGUAGE GROOVE CUTTERS SET Function: 1. Clean and Accurate Cuts: Carbon steel cutting knives can make clean and accurate cuts on all types of wood to cut stocks smoothly, resulting in a clean and chip-free 2. Heat-resistant PTFE coating: The solid carbon steel body adopts heat-resistant PTFE coating and carbon steel body, which can withstand heavy use and time testing 3. Make edges, veins and grooves: suitable for professionals and amateurs to make edges, veins and grooves in all woodworking projects 4. 8mm shank diameter: the shank diameter is 8mm, the cutter is made of good quality carbon steel material, has higher hardness and better wear resistance 5. With storage compartments: equipped with 2 storage compartments, convenient to take and use, easy to carry Specification: Item Type: Tongue Groove Cutter Material: carbon steel Application: T-shaped tenon cutter with 3 teeth Color: silver and yellow Tool Handle Diameter: Approx. 8 mm / 0.3 inch Blade width: 1/2 inch, 1/4 inch Bearing outer diameter: 7/8 inch Bearing thickness: 1/2 inch Package List: 1 x tongue cutter 1 x Groove Router 2 x storage