Interchangeable Anvils - Swap between ¼” and ?” anvils Improved Length - 185mm in length, easier to reach into confined or hard to reach spaces 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 Direction Switch - Conveniently placed near handle, easy direction reversal Ergonomic Hand Grip - Improves user comfort, easier to hold during applications Maximum torque 54 Nm (40 Ft. lbs) Free speed 300 rpm Square drive 1/4"" or 3/8"" Working pressure 6,2 bar (90 PSI) Minimum hose diameter 10 mm (3/8”)