PP is a soft material and

The original ruby nozzle perfectly fits any E3D style hotend and this version is compatible with MK8 style hotend

hardened steel

This brass extruder nozzle replaces broken

Redetec - Protocycler + W. Grinder ReDeTec PP is a soft materialThe ProtoCycler+ is the most advanced desktop extruder on the market. It features revolutionary extrusion hardware and digitally regulated filament diameter control. The advanced software provides a new level of extrusion control when experimenting with polymers and additives. ProtoCycles gives you: Patented extrusion technology Independent 3D printing laboratory Reduced costs Smaller environmental footprint High quality and safety standards Supports