Features: 1) Banlanced ball bearing construction. 2) Built-in regulator for positive speed control. 3) Positive locking clamps hold sand paper firmly in position. 4) Automatic release throttle lever with positive stop action. 5)Contoured palm-grip for one-hand operation. 6)Make fast work of smoothing fiberglass,wood,an body filler and take care of any sanding job on paint,metal,and fiberglass. 7)Rear exhaust. Specifications: 1) FREE SPEED:8,000(rpm) 2) AIR INLET(PT):1/4" 3) AIR HOSE(ID)3/8" 4) AVG.AIR CONSUMPTION:6(cfm) 171.6(l/min) 5) SUG.AIR COMP.(HP):2.5 6) QTY.PER CARTON:10(pcs) 7) CARTON MEAS:61*27*21(cm) Min Order Quantity: 100pcs Payment Term: L/C, T/T Delivery Time: 20 days Price Term: FOB Ningbo Richart Senge Ningbo Steed Tools Co.,Ltd Tel:+86 574 88001135 Fax:+86 574 88001195