Circular Saw Blades: How to Change Them and Which Blade to Use
Ryobi P504G One+ 18 V Lithium Ion Cordless 5 1/2 Inch Circular Saw w/ Carbide Tip Blade (Battery Not Included, Power Tool Only) - Power Circular Saws - Amazon.com
The Ultimate Guide to Ryobi Circular Saw Blade Replacement - YouTube
RYOBI ONE+ 18V Cordless Multi-Material Saw (Tool Only) with Extra 3-3/8 in. Multi-Material Saw Replacement Blade Set (3-Pack) P555-A06MM301 - The Home Depot
How To Change Ryobi Circular Saw Blades With Bonus Skilsaw and Craftsman Blade Changes - YouTube