Description: Made of precision ground, high grade tool steel. The ideal cutter for milling dovetails.(Safety instructions : permanently enclosed in a cartridge or housing with less than 2mm of blade exposed. ) The item is only use for industrial cutting/engraving, not hazardous article. It is double-edged with regualr distribution,10 flutes making the the cutting stable. It fits for meatalworking mold steel, cast iron, carbon steel, alloy steel, tool steel, general iron material. Specification: Material: High Speed Steel Size : Approx.54x10x10 mm / 2.1x0.4x0.4 inch Color: Silver Package Includes: 2 Pieces Dovetail Cutter(each Size 1 Piece) Note: Please allow an error of 1-3mm due to the difference of manual measurement.