E3D Hemera Toolhead for LulzBot 3D Printers for High Speeds with Flexible and Solid 1.75mm Filaments. Installed with 0.5mm Hardened Steel "Nozzle X" Nozzle & Titanium Heat Break. LulzBot Workhorse/PRO/Mini 2 3D Printer platforms. 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