ZFE 25Pcs Wool Felt Polishing Buffing Pad Grinding Head Set Rotary Tool For Dremel 25 x Polishing head Handle length: About 30mm Cylindrical grinding wheel: 3mm x 10mm / 3mm x 12mm Each 5PCS Conical grinding wheel: 3mm x 8mm / 3mm x 10mm / 3mm x 12mm Each 5PCS