THE MOST COMPLETE JOB TOOL SET: It comes with a tongue bit, a '' groove bit and a 45 locking miter bit. MANY USES TO UNLOCK: Use these tang and router bit tools to improve your hardwood working performance and create beautiful handmade furniture yourself. Ideal for kitchen and bathroom doors, office cabinets, floor tables, bedroom shelves, exterior frames, walls and more. The unique design, the durability and impact resistance guarantee the sharpness of the blade, your first choice in terms of quality. Hardened steel body with anti-recoil. Teflon coated heat and construction resistant. EXTREMELY VERSATILE WORK TOOLS: This set of slotting and slotting cutters is truly versatile for convenience. Suitable for wood, MDF, chipboard, plywood compact board; Please avoid cutting ferrous metals and other materials such as steel, iron, sand, etc. Product Description Size:1/4'' (6.35mm) 45 Degree Locking Miter Cutter: Diameter of shank: 6.35 mm. Blade diameter: 51 mm. PCB size: 12 ,7-19mm. Material: carbon steel handle + native YG6X alloy, impact protection. 2 pieces. Tongue and Groove Kit - 3-tooth T-shaped cutter. Housing material: YG6X high quality primary alloy. Blade material: industrial micro grain carbide. Shank diameter: 6.35 mm. < p>Tooth width: 6.35 mm. Tooth depth: 12.7 mm. Applicable to the size of the plate: 13-19 mm. Maximum speed: 12000 Applicable to all dimensions of the foot : 12.7-24mm.