Once the saw is placed into the specially formed track ... another option is the Makita 6-1/2 inch Plunge Circular Saw Kit, which includes a 55-inch guide rail. When used correctly, this guide ...

You'll need a high-capacity Makita battery and charger for the cordless options if you don't already have one, and those who wish to use the plunge saw as a track saw will need to buy an actual track.