Description Drillpro RB2 10pcs HSS Router Bits Burr For Dremel and Rotary Engraving Woodworking Tool Specifications Type Drillpro Woodworking CutterMaterial HSSShank Diameter 3 175mmLength about 40mmBox Size 87x52x10mm L W H arrow 0 2mm errorQuantity 1 box 10pcs Application For processing of metallic and Non metallic surfaces It can be processing cast iron cast steel carbon steel alloy steel stainless steel copper aluminum and other metals and marble jade bone and other non metallic Using an engraving machine or mini Drill various forms of cutting engraving Safety Tips 1 Carbide burrs speed is generally 6000 40000 rev min when used on pneumatic or electric tools the tool must be clamped tight 2 Cutting direction should move from right to left smoothly do not cut back and forth as using the wheel be careful not to use too much force pressure is generally not more than 4 kg Package Included 10pcs x Router Bit More Details