Assembled 2mm wire drive with 4mm shaftSpecs:Shaft diameter: 4mm Wire diameter: 2mm Length: 300mm Requires: - 4mm Drive dog- 4mm prop nut- Teflon liner .098 size, pn# oct-teflon-24 option #oc098t-24 - Stuffing tube 3/16", pn# ks-brass-tb-12 option #8129- Strut for 4mm prop shaft