Irwin 4935656 Lock-n-Load 18" Quick Change Extension More Tools It has an updated gearhead

It has an updated gearhead mounting collar

The M12 REDLITHIUM battery pack delivers more work per charge and more work over pack life than the competitors

It also has soft brushes that help contain the dust and allow for smooth movement over the work surface

(1) Vibration Control Side Handle

15oz Titanium Head/Steel Face Combination Drives like a 28 oz Steel Hammer

Irwin 4935656 Lock-n-Load 18" Quick Change Extension More Tools It has an updated gearheadCarbon steel construction sleeve and body for durability and life Lock n Load system for one handed quick release Patented jaw design holds bits securely on 6 flatted shanks, as well as ball detent bits 1 4" Quick Change range now holds insert bits; magnetic for holding