The Morse IHS20 (121460), 1-1/4" (32mm) diameter, hole saw features bimetal construction, with an impact ready shank, for a tool option capable of boring holes in thin metals for a variety of construction and fabrication needs. Thin kerf ensures that the cutting process is fast and clean. The 1/4", impact ready shank is compatible with standard quick change arbors, making it versatile and efficient when changing sizes. The integrated ejector spring assists in easing slug removal. Packaged one (1) hole saw per card.