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
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
3" Diamond Tile Turbo Blade For Ryobi Milwaukee Dewalt Cut Off Saw 3x 3/8" 9.5mm | eBay
RYOBI 7-1/4 in. x 24 Teeth Carbide Thin Kerf Circular Saw Blade (1-Piece) A067101 - The Home Depot