10pcs Polishing-Head Wheel-Head Abrasive Mounted for -Rotary Power Tool Electric Grinding Stone -Ac 10 Mounted wearable suit shank diameter 3 mm grinding metal rod. Unique sintering technology, perfect mosaic shank and grinding, not falling. Designed with cylindrical head and metal shank. Uses: mainly used DIY grinding, polishing / jade, jade, wood, metal, mold polishing, power tools matching. Quality materials forging grinding, grinding and than the average 30%. Specification: Head Size:4mm -10mm Shank DIA:1/8 inch (3mm) Shank Length:30mm Model: Abrasive Mounted Stone Shape:Flat head cylindrical, tip type Colour:As Shown Material:Metal + Stone Package Contents: 10 x Abrasive Mounted Stone Rotary Tool Only the above package content, other products are not included. Note: Light reflection 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.