This 'next generation' twin-pack combines two fantastic DeWalt power tools with new, more compact battery technologyThe DCD999 is a powerful brushless Combi Hammer Drill Driver. The DCF850 is a small and powerful impact driver ideal for automotive and industrial applications. It provides 205 Nm of torque in a compact body of just 100 mm. The DCF850 offers users enhanced control with a 3 mode switch, such as Precision Drive which ensures the material and fastener are not damaged during smaller jobs. The incorporated LED light improves visibility in difficult environments. This kit is supplied with two compact POWERSTACK batteries which provide 50% more power compared to the DCB183 battery, within a 25% smaller footprint than the DCB183a. Also included are a TSTAK compatible box and charger. DCD999NT Features The most powerful 18v drill DEWALT have made 18v Improved Brushless Motor, electronics and components for extended durability, efficiency and power delivering 112Nm and 1219w (using 6Ah) Software identifies battery pack and draws more current from Flexvolt packs to deliver more power 3 speed all metal gearbox designed to withstand the increased torque generated from the improved motor Extended handle with metal collar to manage the increased torque levels 3 Position LED torch, High/Medium/Low settings with High output 20min LED delay lighting up your work place Electronic Clutch with 11 position adjustable torque control for optimised precision when screw driving 13mm ratcheting keyless chuck with automatic spindle lock for fast bit changes Steel belt hook and magnetic bit holder ensure strong storage solutions Designed to handle increased current, software identifies battery and draws higher current from Flexvolt pack Improved Side Handle - Metal collar to improve durability. DCD999NT Users General Building Contractors Electrical Mechanical Engineering Plumbers Agriculture DCD999NT Applications Drilling for rivets, bolts Drilli