Product Description Feature: Double Cut Design: Tungsten Carbid, Shank dia.: 3 mm(1/8 inch), Cutting edge dia.: 6 mm(1/4 inch). Suitable for deburring, finishing, carving, shaping and smoothing welds, moulds, dies and forgings. 10PCS Shapes: cylinder shape, ball shape, oval shape, tree shape pointed end, tree shape pointed end. Flame shape, invested cone, cone shape, taper shap-radius, high efficiency and long service life. Generally use with handheld electric or pneumatic tool drive (can also be used in machine tool). 10 Piece Set of Tungsten Carbide Cutting / Carving / Routing Burrs - BRAND NEW! SUPER FAST AIR-MAIL SHIPPING - SHIPS WITHIN 24 HOURS OR LESS - USA SELLER! These Are Super High Quality Tungsten Carbide Cutting / Carving / Routing Burrs. These Burr Bits Work On Metal, Wood, Plastic, Fiberglass, PVC, And More - They Are Perfect For Cutting, Carving, Notching, Routing, And Woodworking etc. Tungsten Carbide Burrs Easily Cut, Carve, And Notch The Following Materials: Metal Wood Plastic PVC Fiberglass Iron Carbon Steel Stainless Steel Aluminum Stone Ceramic & Porcelain Plastic, Carbon Fiber Reinforced Plastic (CRP), Glass Fibre Reinforced Plastic (GRP) Brass, Copper & Bronze Gold, Platinum & Silver And MUCH MORE! Product Specifications: Material: Tungsten Carbide Cutter Diameter: 1/4" (6mm) Shank Diameter: 1/8" (3mm) Shank Length: 35mm Total Length: 50mm Compatible With Dremel Rotary Tools Package: 10 Piece Set of Tungsten Carbide Rotary Tools