Photo 1 of EMSTAR 4 Inch M42 HSS Bi-Metal Hole Cutter, Triangular Shank Hole Saw Drill Bit with Spring, for Wood, Plywood, Plastic, Gypsum Board, Thin Metal Sheets

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Photo 1 of EMSTAR 4 Inch M42 HSS Bi-Metal Hole Cutter, Triangular Shank Hole Saw Drill Bit with Spring, for Wood, Plywood, Plastic, Gypsum Board, Thin Metal Sheets