Lenox® Speed Slot® Bi-metal hole saw features a staircase design for easy plug removal. It has T2 technology that offers cleaner and faster cuts. Hole saw is welded to a shatter-resistant spring steel back. It cuts up to 1-5/8-Inch deep. It has a sleek slit, enhanced tooth geometry and advanced coating for efficient cutting process. Hole saw has 1 Inch diameter. It fits 5L snap-back arbor and 1L/4L/5L standard arbor. Hole saw is ideal to cut mild steel, copper, brass, aluminum, wood, plastic, composition board and cast-iron.