5 PC Lathe Tool Bit Steel Fly Cutter Milling M42 Cobalt Steel 1/4 Inch x 1/4 Inch x 2-1/2 Inch Square Dimension: 2-1/2 in L x 1/4 in W x 1/4 in H *Rough Estimation* Weight: 5 Ounces *Rough Estimation* Material: M42 Cobalt Steel High Speed Steel Tool Bits Show Exceptional Results On Mild Steel, Alloys And Tools Steels Commonly Used On A Lathe, A Milling Machine Fly Cutter Or A Metal Shaper Qty: 5 Pcs/ Set Light Item