For URYU U-350SD 1/4 Hex Drive Pneumatic Torque Screwdriver/Nut Driver. START TYPE ---------------- Trigger Start. CLUTCH TYPE -------------- Non Shut Off. TORQUE RANGE ----------- 3.5 - 5.8 nm; 30.9 - 51 in. 2.5 - 4.2 Ft. DRIVE SIZE ----------------- 1/4 in. AIR INLET SIZE -------------- 1/4 in. FREE SPEED ---------------- 10,500 rpm. LENGTH INCHES ---------- 9.4 in. TYPE ------------------------ Air Screwdriver/Nut Driver. OIL DAILY WITH AIR TOOLS OIL TO PREVENT WEAR, RUST AND LOCK-UP.