Starrett(A10) - LS 56615/A10 Arbour with HS Pilot Drill 3/8 Chuck 1-1/4-6

Starrett A10 Hole Saws Arbor - 14-30mm Quick Hitch Screw Thread Hex Shank Arbor With 6.35mm High Speed Pilot Drill Bit - Quick Change Mandrel

Starrett HSS Bi-Metal Hole Saw - FCH0200 Fast Cut Extra Cobalt Hole Saw - For Stainless Mild Sheet Wood Plastic Various Materials - 51mm

Starrett A4 Hole Saws Arbor - 14-30mm Hex Shank Arbor Screw Thread with 6.35mm High-Speed Steel Pilot Drill - Quick Change Mandrel