Ryobi 18v P503 P504 P506 4-Pack 5-1/2" carbide tipped circular saw blade New Brand-new, genuine Ryobi Circular Saw Blade, part# 6797329 Carbide tipped blades for maximum cutting power Laser cut heat expansion slots allow blade expansion Compatible with saws: P500, 501, 501G, 503, 504, 504G, 506, R10633, RY6202 Includes (4) 5-1/2" Circular Saw Blades