$60.99 CRAFTSMAN 1/2-in Hole Saw Arbors in the Hole Saw Arbors department at Lowes.com
MORSE 1/2-Dia. Hole Saw for Masonry, 1/2 Max. Cutting Depth, Continuous Grit Teeth per Inch 
Milwaukee 1-1/2 in. Hole Dozer Hole Saw with Arbor-49-56-9665 - The Home Depot
