Mod.SP-SC001 Chuck diameter: 6mm Voltage/Frequency: 110V/60Hz, 230V/50Hz Rated Input Power: 500W Stroke Speed: 0-4000r/min Packing Size/pcs: 32x30x53cm/8pcs N.W./G.W.: 18/20kgs QTY/Container(20"): 4520pcs