Interchangeable Anvils - Swap between ?” and ½” anvils Knuckle Saver Clutch - Worlds first ‘knuckle saver’, prevents user from hitting knuckles when fastening Sealed Head Design - Ratchet mechanism enclosed, significantly increases tool life Closed Trigger Design - Improvement over lever, prevents tool getting snagged on hoses Variable Trigger - Improves user control of application, makes it easier to protect tool, accessory, fastener and material Forward Exhaust - Air outlet aimed up directs airflow away from user Direction Switch - Conveniently placed near handle, easy direction reversal Ergonomic Hand Grip - Improves user comfort, easier to hold during applications Maximum torque 108 Nm (80 Ft. lbs) Free speed 300 rpm Square drive 3/8"" or 1/2"" Working pressure 6,2 bar (90 PSI) Minimum hose diameter 10 mm (3/8”)