Milwaukee M12 FDGS-422B 12v Straight Die Grinder Inc 1x 2.0Ah Battery, 1x 4.0Ah Battery, 1x C12 C Charger & Tool Bag 4933471437 This 12v Straight Die Grinder is part of Milwaukee\'s popular M12 range. The first cordless in-line die grinder that delivers more power vs. pneumatic models, it is supplied here with 1x 4.0Ah battery, 1x 2.0Ah battery, a C12 C charger and Milwaukee tool bag, plus a 6mm and 8mm collet. FEATURES The first cordless in-line die grinder that delivers more power vs. pneumatic models Best-in-class size (262 mm long) to help reach in tight places, and offers great mobility and access Features a 3-mode speed control and responsive variable speed trigger enabling outstanding control To be used with discs up to ø50 mm Supplied with 6 and 8 mm collets Integrates three exclusive Milwaukee technologies - the POWERSTATE™ brushless motor, REDLITHIUM™ battery pack and REDLINK PLUS™ intelligence hardware and software - which deliver outstanding power, run time and durability on the jobsite Flexible battery system: works with all Milwaukee M12™ batteries SPECIFICATION Voltage: 10.8v / 12v Article Number: 4933471436 / 4933471437 Battery Pack Capacity: 1x 4.0Ah / 1x 2.0Ah Battery Type: Li-Ion Collets Supplied: 6mm & 8mm Disc Diameter: 50mm Modes: 3 No Load Speed: 0 - 10,000 / 15,000 / 21,000 rpm Weight With 2.0Ah Battery: 0.72 kg Weight With 4.0Ah Battery: 0.94 kg