Blue Boar Recessed Light Carbide Grit Hole Saw 6-3/8” dia for 6 inch lights – fast cutting in drywall, CornHole, lath & plaster, Hardie board - easy plug removal, uses standard hole saw arbor adapter. • Hard tungsten carbide grit edge for a long life in abrasive materials • Continuous cutting edge for smooth cutting even in wood lath and plaster • Cuts through drywall, plaster, CornHole board, fiber cement Hardie board, acoustical tile, ceiling tile • Attaches to standard 5/8”-18 2-pin mount hole saw arbor and works with Hole Pro X-230+ model for dust containment with the dust shield • Open back design for faster cut plug removal ***HOLE SAW ONLY -- does NOT INCLUDE Pilot Bit, Arbor or Shield ***