Product Description 1/4'' Double Cut Tungsten Steel Rotary Burr Die Grinder Tool Holder Kit US Specifications: Material: Carbide Handle Diameter: 1/4" (6.35mm) Groove: Double Groove Rotary Quantity: 8 piece/set includes: 1 piece 1/2" x 1" Cylindrical 1 piece 3/8" x 3/4" Cylindrical 1 piece 3/8" x 3/4" Cylindrical Radius End 1 piece 1/4 " x 5/8" Cylindrical Radius End 1 piece 1/4" Spherical 1 piece 3/8" Spherical 1 piece 3/8" x 3/4" Tree Radius End 1 piece 1/2" x 1" Tree Radius End features: Carbide rotary files are extremely versatile and are used in mold processing and manufacturing. Beveling, rounding and groove processing of mechanical parts. Good processing quality, high smoothness and long service life. Can process various high-precision Mold cavity. Can process cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, as well as marble, jade, bone and other non-metals. Easy to master, convenient to use, safe and reliable. Greatly reduces heavy physical effort Labor and reduce production costs. Widely used in machinery, automobiles, shipbuilding, chemical industry, craft engraving, etc. Carbide rotary files are mainly used with electric tools or with electric tools or pneumatic tools (can also be installed on machine tools). Packaging includes: 8 Piece Double Cut Carbide Rotary File Set Note: Due to manual measurement and slight color, please allow 0.1-0.5mm differences as shown in settings. SKU Shipping Weight Net Weight 10-MC.BD.216-H 10OZ 10.06OZ x - Flame Retardant Envelope 2 - Filled Flame Retardant Envelope 4 - Area Box A 6 - Medium Flame Retardant Box Product Description 1/4'' Double Cut Tungsten Steel Carbide Steel Rotary Burr Die Grinder Tool Holder Drill Bit Set US Specifications: Material: Carbide Shank Diameter: 1/4" (6")