1/4 x 4″ Round Cobalt Tool Bit • Ground HSS or Cobalt Available • High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials List Number TO07440 Substrate Cobalt Package Quantity 1 Length 4" Style Round Diameter 1/4 SKU: TO07440 Category: Tool Bits Related products 7/16 x 3-1/2 Square HSS Tool Bit Item #: TO01535 3/8 x 6″ Square HSS Tool Bit Item #: TO01434 5/16 x 4″ Square HSS Tool Bit Item #: TO01340