 A 13-piece set for cutting cast iron and most ferrous metals and aluminum quickly and efficiently. Kit contains nine high-speed hole saws; two arbors, No. 31160 and No. 31168; pilot drill No. 31178, and a 1/4" arbor adapter, No. 31179. Saw diameters are 3/4", 7/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", and 2-1/2". All components packed in a rust-proof molded black carrying case.
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