145-7951, Irwin, Irwin 6 Piece Steel Bevel Edge Chisel Set, 6.36 mm, 9.53 mm, 12.7 mm, 19.05 mm, 25.04 mm, 31.75 mm Blade Width Irwin 6 Piece Steel Bevel Edge Chisel Set, 6.36 mm, 9.53 mm, 12.7 mm, 19.05 mm, 25.04 mm, 31.75 mm Blade Width