Includes GA18LTXSK (600638890) - 18V Die Grinder 2x 18V 5.5Ah Batteries ASC55 - 12-36V Battery Charger meta - BOX Case Collet 6 mm Protective rubber cap Dust protection filter Open-jawed spanner Meta Specifications Battery pack voltage: 18 V No-load speed: 25000 rpm Collar diameter: 43 mm / 1 11/16 " Collet chuck bore: 6 mm / 0.2362 " Weight (including battery pack): 2.1 kg / 4.6 lbs Vibration Surface grinding (25 mm): 5.3 m/s² Surface grinding (50 mm): 13.9 m/s² Uncertainty of measurement K: 1.5 m/s² Noise emission Sound pressure level: 83 d - B(A) Sound power level (Lw - A): 94 d - B(A) Uncertainty of measurement K: 3 d - B(A)