: Machined from new raw tungsten carbide, hardness can reach to Less than HRC85, lasts long working life, and . Usage: Widely used for metalwork, tool making, model engineering, welding, chamfering, casting, grinding, milling, cylinder porting and sculpting, easy to grasp and use, safe and reliable. Wide range of uses includes body shops, fabrication shops, aviation industry, brake shops, industrial shops, die manufacturers, metalwork, tool making, model engineering. Shape: cylindrical grinding Granularity: 1000 mesh Scope of application: polishing Polishing: Carving Colour:Silver Material:Tungsten carbide steel Size: diameter: 12mm Handle diameter: 6mm Length: 55-67mm Package Contents: 1x A type cylindrical Rotary file 1x D type round ball type Rotary file 1x E-shaped oval Rotary file 1x F type arc round Rotary file 1x G-shaped curved Rotary file 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.