Lenox Tools 3024848CT 48 Carbide Tipped Holesaw, 3-Inch or 76mm The hole saw uses heat-resistant carbide teeth for an extended life Each hole saw has a thick backing plate to resist damage and increase the lifespan Use this hole saw with a 2L, 3L, 6L or 7L standard arbor or a 2L SNAP-BACK arbor The unique tooth configuration combines with a specially-engineered design to provide superior stainless-steel cutting ability 3-inch diameter Heat Resistant Carbide Teeth for longer life Thick Backing plate for added durability Unique tooth configuration for cutting Stainless steel Uses Standard Arbors