ITEM NAME:10pc Blue Abrasive Mounted Stone Rotary Tool Grinding Wheel 1/8 Shank N2W1 10pc Blue Abrasive Mounted Stone Rotary Tool Grinding Wheel 1/8 Shank N2W1 Smooth and refine surfaces by using these felt buffs to polish metal, ceramics and glass. Ideal for smoothing interior surfaces, there are 10 interchangeable pieces for the rotary grinding and polishing tool. Suitable for all your polishing need. Material: metal Cylindrical Diameter: 4mm , 5mm , 6mm , 8mm , 10mm Bullet Diameter: 4mm , 5mm , 6mm , 8mm , 10mm Shank Diameter: 3mm (1/8 inch) Color: Blue Quantity: 10pcs (2 kind of Grinding Heads,each kind 5pcs) Package included: 5 x Cylindrical Grinding Heads 5 x Bullet Grinding Heads 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..Ideal for smoothing interior surfaces, there are 10 interchangeable pieces for the rotary grinding and polishing tool. Quantity: 10pcs (2 kind of Grinding Heads,each kind 5pcs). 5 x Cylindrical Grinding Heads.