Enter the RYOBI 18V ONE+ System with the RYOBI 18V ONE+ HP Brushless 6-Tool Combo Kit – 1/2" Hammer Drill, 4-Mode 1/4" Impact Driver, 7-1/4" Circular Saw, Reciprocating Saw, Multi-Tool, LED Light, 18V ONE+ 4Ah Lithium-ion HIGH PERFORMANCE Battery, 18V ONE+ 2Ah Lithium-ion HIGH PERFORMANCE Battery, Charger and Tool Bag. ONE+ HP Technology delivers more power, runtime, durability, and speed utilizing brushless motors, advanced electronics, and HIGH PERFORMANCE lithium technology. The 1/2" Hammer Drill delivers up to 29% faster drilling in Hammer Mode, saving time drilling through concrete, brick, and block. The 1/4" Impact Driver delivers up to 25% faster driving, 2,220 in-lbs. of torque, and 4-Mode Control providing unmatched control when driving a variety of fasteners from large lag screws to small sheet metal screws. The 7-1/4" Circular Saw delivers up to 40% faster cutting and over 325 cuts per charge. The Reciprocating Saw delivers up to 64% faster cutting and delivers over 380 cuts per charge. The Multi-Tool features an aggressive 3.6° oscillation angle providing up to 30% faster cutting speeds with an adjustable speed dial, which operates at up to 20,000 OPM. The LED Light has 280 Lumens of light output and a 130° pivoting head for adjustable light beam direction. The 18V ONE+ 4Ah and 2Ah HIGH PERFORMANCE Batteries delivers up to 30% more power than standard lithium and feature an integrated high visibility fuel gauge to monitor remaining runtime. Backed by the RYOBI 3-Year Manufacturer's Warranty.