BRAND : SUNTECH ITEM NO. : SM-9835 ORIGIN : TAIWAN HEX DRIVE CAPACITY : 1/4 INCH RPM : 800 RPM TORQUE IN LBS (NM) : 20-100 / 2-11 AIR INLET (NPT) : 1/4" HOSE SIZE : 3/8 INCH / 10 MM AIR CONSUMPTION CFM (L/MIN) : 4 / 113 LENGTH : 9.5 INCH / 241 MM WEIGHT : 3.5 LBS / 1.6 KG NOISE LEVEL DB(A) : 83 . EXTERNAL ADJUSTABLE CLUTCH . ERGONOMIC HANDLE DESIGN . VARIABLE SPEED TRIGGER . PLANETARY GEAR SYSTEM WITH NEEDLE BEARINGS (OPTION) . BUILT-IN COMFORT GRIP . LOW NOISE 83 DB(A) NOTE : RECOMMENDED AIR PRESSURE AT 90 PSI (6.2 BAR)