Ryobi P506 One+ Lithium Ion 18V 5 1/2 Inch 4,700 RPM Cordless Circular Saw with Laser Guide and Carbide-Tipped Blade (Battery Not Included, Power Tool Only) green full size - Walmart.com
R18CS7-0 - 18V cordless circular saw
RYOBI ONE+ HP 18V Brushless Cordless 7-1/4 in. Circular Saw Kit with 4.0 Ah Battery, Charger, and (4-Piece) Replacement Blades PBLCS300K1-A067401 - The Home Depot