Milwaukee® Hole Dozer™ Hole Saw, 4-1/2 in Dia, 1.62 in Cutting Depth, 4, 5/8-18 Arbor, 1.88 in Overall Length, 1/4 in Dia x 3-1/2 in L Drill, Carbide Cutting Edge, Hex Shank, 3/8 in, 7/16 in Shank, Use Arbor: 49-56-7010 and 49-56-7250, Applicable Materials: Abrasive Material, Fastener Embedded Wood and Stainless Steel