Ryobi One P505 18V Lithium Ion Cordless 5 1/2in 4,700 RPM Circular Saw (Battery Not Included, Power Tool Only), Green (Renewed) - Amazon.com
RYOBI ONE+ 18V Cordless 3-Tool Combo Kit with 7-1/4 in. Miter Saw, Jig Saw, and 5-1/2 in. Circular Saw (Tools Only) PBT01B-PCL525B-PCL500B - The Home Depot