Features: Premium rotary burr delivers enhanced durability for prolonged mold processing and metal engraving tasks, featuring lasting sharpness. Choose between single flute design for intricate workpiece detailing or double flute configuration for efficient materials removal and weld seam cleaning in die grinder applications. Essential for metalworkers, mold manufacturers, and mechanical artists requiring versatile solution across steel, aluminum, and wood fabrication projects. Optimizes die grinder operations in foundries and workshops, effectively eliminating burrs, rust, and casting flashes. Engineered spirals chip grooves ensures dust frees metalworking environments, combining stable performances with multiple materials adaptability. Specifications: Materials: Hard Alloy Color: As The Picture Shows Styles: 6mm/8mm/10mm/12mm/14mm/16mm (Optional) Size 1: approx.55x6mm/2.16x0.23in Package Includes: 1Pc Rotary File note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!