Amazon.com: Prazi USA PR2700 Beam Cutter, Circular Saw Blade and Chain Attachment, Increase Cutting Power and Capacity, Fits most 7.25-inch saws : Everything Else
Makita 15 Amp 16-5/16 in. Corded Circular Saw with 32T Carbide Blade and Rip Fence 5402NA - The Home Depot