(1) Excellent combination of upper and lower blades, SHARP ; (2) High precision grinded and polished, high abrasion resistance and temperature resistance, good rigidity, not easy to break; (3) No burrs for Up and down spiral machining; (4) High performance-to-price ratio, improve the work efficiency, reduce cost; Type: UP & DOWN Cut Two Spiral Solid Carbide Endmills; Shank Diameter: 3.175mm Diameter: 3.175mm Cutting Length: 17mm Overall Length: 38mm Suitable Materials: Cutting, milling on: (1) MDF, particle board, board with lagging, log, affixed to the skin panels; (2) Acrylic, PVC, resin, plastic, chipboard, composite board, melamine board; (3) Solid wood, native wood, plywood, lotus plate; Applied to: CNC Router Machining Center, Woodworking Machine, Advertising CNC Router, etc colour:silver Material:Tungsten cobalt alloy Package Contents: 5 x Two Spiral Cutters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.