These polishing heads are used for DIY grinding, polishing metal, stone polishing purposes. These scouring pad abrasive grinding head wheels are must have tools for electric grinding rotary tool. Can be used for grinding and polishing with good wear resistance, and practical. Features -Color:Assorted Color -Material:Iron, scouring pad -Size:7.00X7.00X9.00cm,5.00X5.00X5.60cm,3.00X3.00X6.00cm/2.75X2.75X3.54in,1.97X1.97X2.20in,1.18X1.18X2.36in -You will get the buffing wheels for drill of different sizes, different sizes combinations can better meet your different needs. -Convenient to grind, simple to use, safe and reliable. These buffing wheels are used in diy grinding, polishing. -High sanding efficiency, good elasticity and heat dissipation, and wear-resistant, . -Suitable for metal surface cleaning, derusting,deburring, polishing, grinding, dusting, stripping residue. -These scouring pads wheels are flexible enough to not damage aluminum, and not easily scratching metal surfaces. Package list: 10 x Abrasive Wheels