4 1/2″ Royle Extruder, Item # 382 Get A Quote 4 1/2″ Royle Extruder Serial # 3159, cold feed, 10:1 L/D Jacketed barrel, straight bolted head. Unitized base. Motor & drive quoted to specifications. Product FeaturesItem #382 See similar items in: 4" – 5" Extruders