https://www.homedepot.com/p/Milwauk...k-Saw-Guide-Rail-2831-20-48-08-0571/321036665 Milwaukee M18 FUEL 18V Brushless 6-1/2" Plunge Cut Track Saw w/ 55" Track Saw Guide Rail (Tool Only, 321036665) for $369. Shipping is free, otherwise free store pickup is available where stock permits.