Fein 6-35-02-137-01-6 4-Inch Flush cut HSS Blade for SuperCut, 1-Pack - Power Rotary Tool Accessories - Amazon.com
Fein HSS Circular Saw Blade with Fine Teeth for Universal use on Sheet Metal - Diameter 2-15/32", 2-Pack - 63502102016 - Power Rotary Tool Accessories - Amazon.com
Jancy Slugger by Fein - HSS Nova Annular Cutter with Centering Pin - 3/4" Straight Shank, 2" Depth, 11/16" Diameter - 63134175042: Amazon.com: Industrial & Scientific