Marchal Vaucanson field coil pole show screw.  For use on starters and other Marchal Vaucanson assemblies. Material: 4140 Steel, heat treat grade 8 Finish: Natural Thread: 10mm-1.5 x 8.40mm OAL: 14mm Head OD: 15mm Length under head: 8.4mm Slot width: 2mm