Spark Erosion Section F1 Gearbox Part Tooling Bolt Sparked Hex Return Spring Assy – cannon Rear Hub – Spline Dodo Juice – Lid Dodo Juice – Pot Bolt with Spline Piston Carrier – internal spline Nut – Turn, wire, spark Sample – Spark 1 1Sample – Spark 2 External Spline Form 30 – AgieCharmilles