1.2mm Nozzle "X" High Speed Toolhead Upgrade for LulzBot 3D Printers E3D Volcano hotend and Titan Aero Complete Toolhead OEM E3D 1.2mm E3D Hardened Steel Nozzle "X", Hardened Hobb Gear and Micro Swiss Wear Resistant Heat Break for 3mm for TAZ 5 or TAZ 6 for 3mm Filament. A complete plug-in-play aftermarket toolhead for the LULZBOT TAZ 3D Printer platform. Our Toolheads deliver the best genuine E3D brand parts setting a high standard of reliability with the E3D V6 All-Metal Hotend. Our toolheads are designed & made in Julesburg, CO. , UNIT OF MEASURE: EA