How to Use a Circular Saw | RYOBI Tools 101 - YouTube
Ryobi One P505 18V Lithium Ion Cordless 5 1/2" 4,700 RPM Circular Saw (Battery Not Included, Power Tool Only), Green - - Amazon.com
Ryobi P531 One+ 18V Cordless Speed Saw Rotary Cutter with Included Bits (Battery Not Included / Tool Only): Amazon.com: Tools & Home Improvement
RYOBI 15 Amp Corded 7-1/4 in. Circular Saw with EXACTLINE Laser Alignment System, 24T Carbide Tipped Blade, Edge Guide and Bag CSB144LZK - The Home Depot
Ryobi P507 One+ 18V Lithium Ion Cordless 6 1/2 Inch 4,700 RPM Circular Saw w/ Blade (Battery Not Included, Power Tool Only) - - Amazon.com
Ryobi P507 6-1/2" Circular Saw Review - Pro Tool Reviews