The milwaukee m18 fmcs66 fuel 18v cordless metal circular saw is part of the m18 fuel range, featuring advanced brushless motor technology for superior performance and durability. Its powerstate motor delivers up to 4,000rpm, while redlink plus intelligence technology optimizes performance and prevents damage to the tool or battery. Features & benefits dry-cutting technology provides fast, clean and burr-free metal cutting dual-action trigger prevents any accidental start up electric break stops blade in under 1 sec exclusive chip-release shield latch for fast waste disposal and blade changing faster cutting speed compared to corded unit first 18v cordless metal circular saw with 66mm cutting depth and 1,800w corded performance large metal chip collector captures debris produced while cutting milwaukee's powerstate brushless motor and redlink plus electronic intelligence performance light indicates when the device is pushed too hard shoe designed to connect directly on milwaukee guide rail sold separately tool-free cutting depth adjustment and plunge lever specifications battery type: milwaukee m18 lith-ion battery voltage: 18v arbor size: 15.87Mm blade diameter: 203mm bore size: 15.87Mm cutting depth: 66mm no load speed: 4,000rpm sound power level uncertainty: 3db a sound power level: 108.2Db a sound pressure level uncertainty: 3db a sound pressure level: 97.2Db a vibration sawing sheet metal : 1.1M s vibration sawing uncertainty sheet metal : 1.5M s contents milwaukee m...