DEWALTs exclusive NANO-phosphate lithium-ion cells deliver more run time and longer battery life and durability for up to 2000 recharges. Combo kit includes a 1/2in. hammerdrill and 6 1/2in. circular saw. 28V 1/2in. hammerdrill/drill/driver with 1/2in. self-tightening chuck and 3-speed all-metal transmission 28V circular saw with 6 1/2in. carbide tipped blade Rip fence for increased cutting capacity at 45 and 90