Accurately set end gap with PROFORM's powerful electric ring filing tool. Powered by a 6 volt, rechargeable battery. Offers maximum speed and affordability. Comes with two (2) 120-grit grinding wheels (p/n 66762) and battery recharger. Portable or can be bench mounted.Proform Uses Proform Part #66762 Replacement Grinding Wheels 66765Specifications: Tool Type Piston Ring Filers Category Piston Ring Filer Feature/Benefit Accurately set end gap with PROFORM's powerful electric ring filing tool. Description_ABR Ring Filer Description_SHO Piston Ring Filer Description_INV Piston Ring Filer Description_INV Electronic Description_DEF Engine Piston Ring Grinder Description_ASC Engine Piston Ring Filer Description_ASC Electronic Model Description_ASC 6V Description_ASC Includes Two 120 Grit Wheels Description_LAB Engine Piston Ring Filer Description_LAB Electronic Model Description_LAB 6V Description_LAB Includes Two 120 Grit Wheels Description_DES Engine Piston Ring Filer Description_DES Electronic Model Description_DES 6V Description_DES Includes Two 120 Grit Wheels Description_EXT Engine Piston Ring Filer Description_EXT Electronic Rechargeable Model Description_EXT Includes 6V rechargeable battery Description_EXT Comes with Two 120 Grit Grinding Wheels Description_EXT Made From Aluminum and Has a Red Anodized Finish Description_EXT Uses Proform Part #66762 Replacement Grinding Wheels Description_MKT Accurately set end gap with PROFORM's powerful electric ring filing tool. Powered by a 6 volt, rechargeable battery. Offers maximum speed and affordability. Comes with two (2) 120-grit grinding wheels (p/n 66762) and battery recharger. Portable or can be bench mounted.