ITEM NAME:1/4 Shank 90 De V Groove Router Bit Woodworking Milling Cutter Tool 2 Description: 90 degree V-groove woodworking router bit is great for grooving in many workpieces in woodworking projects. High abrasion resistance, high-precision grinding technology, chip removal more smoothly. Highly sharpen, sharp blade cutting smooth no burr, no edge, high-frequency welding technology, strong, durable, and long service life. Can be used for finishing a wide range of materials including solid wood, MDF, chipboard, plywood, etc. 7 different cutting edge diameters and height to meet your needs. A nice tool for professional carpenters and hobbyists. Specification: Material: Tungsten Steel Color: Silver Shank: 1/4in(6.35mm) Cutting Angle: 90 Degree Size(Approx): (Cutting Diameter x Cutting Height) #1: 1/4''x1/4'' - 6.35x6.35mm/ 0.25x0.25in #2: 1/4''x5/16'' - 7.96x7.96mm/ 0.31x0.31in #3: 1/4''x3/8'' - 9.52x9.52mm/ 0.37x0.37in #4: 1/4''x1/2'' - 12.7x12.7mm/ 0.5x0.5in #5: 1/4''x5/8'' - 15.9x15.9mm/ 0.62x0.62in #6: 1/4''x3/4'' - 19.05x17.50mm/ 0.75x0.68in #7: 1/4''x7/8'' - 22.20x19.10mm/ 0.87x0.75in Package Includes: 1 Piece Router Bit Note: Please allow 1-3mm error due to manual measurement,.Highly sharpen, sharp blade cutting smooth no burr, no edge, high-frequency welding technology, strong, durable, and long service life. Material: Tungsten Steel. Shank: 1/4in(6.35mm). High abrasion resistance, high-precision grinding technology, chip removal more smoothly.