M.K. Morse® Hole Saw, Series: Diamond Grit™, 2-1/2 in Dia, 3/4 in Cutting Depth, 3 TPI, 5/8-18 Arbor, 1/4 in Dia x 3-3/16 to 4-5/16 in L Drill, Diamond Grit™ Cutting Edge,
VEVOR VEVOR 8 Pcs Diamond Hole Saw Set Diamond Drill Core Bits, M14 20/25/32/35/40/50/60/68 MM with 2 Saw Blade, Hole Saw Cutter Drill Bits, Drilling Tool for Drill Core Tiles Stoneware Portable