Specifications :
SQUARE DRIVE 1/2"BOLT SIZE CAPACITY 5/8"(16mm)FREE SPEED 7500RPMMAX TORQUE 230ft-lb(312n-m)OVERALL LENGTH 7"(178mm)NET WEIGHT 4.85ibs(2.2kgs)AIR INLET 1/4"AIR HOSE 3/8"AVG.AIR CONSUMPTION 7cfm