Durable: Machined from new raw tungsten carbide, hardness can reach to Less than HRC85, lasts long working life, sharp and durable.Usage: Widely used Compatible With 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 headGranularity: 1000 meshScope of application: polishingPolishing: CarvingColour:SilverMaterial:Tungsten carbide steelSize:Head diameter: 12mmHandle diameter: 6mmLength: 55-67mmPackage Contents:1x A type cylindrical Rotary file1x D type round ball type Rotary file1x E-shaped oval Rotary file1x F type arc round head Rotary file1x G-shaped curved apex Rotary fileOnly the above package content, other products are not included.Note: Light shooting 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.