The M18 FUEL? 6-1/2 in. circular saw is the fastest cutting 18 Volt cordless circular saw on the market, offering up to 30% faster cutting, 2X more run-time, and 5X the motor life of competitive saws. The POWERSTATE? brushless motor provides cutting power above all other cordless circular saws, allowing applications that previously would have required a corded tool to perform. The REDLITHIUM? XC 4.0 extended capacity battery pack delivers up to 2X the run-time of competitive 18 Volt tools and will provide more work per charge, and more work over the life of the pack than competitive batteries. The included REDLINK Plus? intelligence system ensures optimized performance and protection from overloading, overheating, and over-discharging. The M18 FUEL? 6-1/2 in. circular saw also features a cast magnesium shoe, upper and lower guards providing a durable and lightweight base. The tool also features an integrated LED light, and a rafter hook for easy storage on the job.