BIG Savings when you buy a combo kit versus buying tools individually! DEWALT exclusive NANO phosphate Lithium-Ion cells offer long battery life and durability (up to 2,000 recharges). 28V Cordless NANO™ 1/2" Hammer Drill/Driver - DC910. DEWALT® built high power, high efficiency motor delivers 650 UWO (unit watts out) of max power for superior performance in all drilling and fastening applications. Patented 3-speed all-metal transmission matches the speed to the application for optimal performance. Heavy-duty 1/2" self-tightening chuck tightens throughout operation providing superior bit gripping strength. Enhanced durability and reliability to withstand the jobsite environment and the most demanding applications. Anti-slip comfort grip provides increased comfort and control . 28V Cordless NANO™ 1-1/8" Reciprocating Saw - DC315. DEWALT® built high power, high efficiency motor with electric brake powers through the toughest applications. 0 to 3,000 SPM for faster cutting speed. 1-1/8" stroke length for faster cutting speed. Electric brake for greater control. 3-position adjustable shoe for adjusting depth of cut and extends blade life. 4-position blade clamp allows for quick blade change, flush cutting and increased versatility. Anti-slip comfort grip provides increased comfort and control. Includes: 28V Cordless NANO 1/2" Hammer Drill/Driver - DC910, 28 Volt Cordless NANO™ 1-1/8" Reciprocating Saw - DC315, (2) 28 Volt NANO™-Phosphate Lithium Ion Battery Packs, 1-Hour Charger, 360° Side Handle, Reciprocating Saw Blade, Contractor Bag.