Genuine Robox RBX01-S2 Single Material Dual Nozzle QuickFill Head Version 2 (RBX01-S2). Big discounts when you buy original Robox RBX01-S2 Single Material Dual Nozzle QuickFill Head Version 2 (RBX01-S2) at Ink N Toner UK. This head is an update to the head which Robox launched with, it has the same features with improvements to needle sealing, material control and reliability. It has 2 nozzles, both of which are fed from a single material feed. The large 0.8mm nozzle can be used to create fast and strong draft prints or anything requiring low detail and thick walls or to quickly fill the internal parts of a print. The 0.3mm nozzle is excellent for small details and very low layer heights. Material Compatibility: PLA, ABS, HIPS, Nylon, PC, PVA.