2pcs 16mm-30mm Circular Saw Blade Reducing Rings Conversion Ring Cutting Disc Woodworking Tools Cutting Washer,20mm To 12.7mm - Amazon.com
kwb 582368 Joiner's Circular Saw Blade, Wood/Hardwood, 140 x 12.7 mm cuts, high Number, 42 Teeth Z-42, Precision Saw Blade fine, 75 - Amazon.com
30pcs Saw Blade Bushing Saw Blade Adapter Ring Saw Cutting Washer Angle Grinder Inner Aperture Conversion gasket30 to 16mm,25.4 to 20 mm, 25.4 to 16mm, 22 to 16mm,20 to 16mm,16 to 12.7mm - Amazon.com
VEVOR Portable Band Saw, 5Inch Cutting Capacity Corded BandSaw, Variable Speed Hand held Band Saw,10Amp Motor Portable Bandsaw, Deep Cut Bandsaw for Metal Wood Tubing Pipes Rebar and Plastic - Amazon.com
ASNOMY 14Pcs TCT Hole Saw Kit, 1/2"-2-1/8"Inch Tungsten Carbide Tipped Hole Cutters Set Heavy Duty Hole Saw for Metal Stainless Steel Iron Wood Plastic, with Extra 2pcs Pilot Drill Bits - Amazon.com