VEVOR Annular Cutter Set, 6 pcs Weldon Shank Mag Drill Bits, 1/2" to 1-1/16" Cutting Diameter, 1" Cutting Depth, M2AL High-Speed Steel, with Pilot Pin and Portable Case, for Using with Magnetic Drills
According to the product description, the annular cutters produce clean and efficient holes. Customers appreciate the smooth cutting action and lack of burrs.