Milwaukee M18 FUEL 18V Lithium-Ion Cordless Brushless 6-1/2 in. Plunge Cut Track Saw with 55 in. Track Saw Guide Rail 2831-20-48-08-0571 - The Home Depot
Bosch Profactor 18-volt 8-Amp 5-1/2-in Brushless Cordless Plunge/Track Circular Saw (1-Battery & Charger Included) in the Circular Saws department at Lowes.com