Makita Gps01m1j 40v Max XGT Lithium...

The Makita 40V Max XGT Lithium-Ion Brushless Cordless AWS Capable 6-1/2″ Plunge Circular Track Saw Kit 4.0 Ah (GPS01M1J) delivers precise and more accurate cutting when combined with an optional guide rail system (sold separately).  The saw combines a powerful Makita-built brushless motor with Automatic Speed Change Technology, which adjusts cutting speed and torque during the cut for optimum performance.