The M18 FUEL 6-1/2 Circular Saw Kit features the fastest saw in its class, offering up to 30% faster cutting, 2X more runtime and 3X longer tool life than competitive saws. The POWERSTATE Brushless Motor outpowers all other 18-Volt cordless circular saws and allows you to perform jobs that previously required a corded tool. The M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack delivers up to 2.5X more runtime and provides more work per charge and more work over the life of the pack than competitive batteries. The saws REDLINK PLUS Intelligence ensures optimized performance and protection from overloading, overheating and over-discharging. The 18-volt lithium-ion circular saws guards and shoe are built of cast magnesium to provide a durable, lightweight base. The saw also features an integrated LED light and a rafter hook for convenient storage on the job.