Toolhead Upgrade for LulzBot 3D Printer Workhorse/PRO/Mini 2. E3D V6 hotend and Titan Aero. With 0.5mm E3D Hardened Steel Nozzle "X", E3D Precision 30w heating cartridge, a Polycarbonate fan cooling duct, and Hardened Hobb Gear and Micro Swiss Wear Resistant Heat Break for 3mm. Complete Toolhead for LulzBot Workhorse/PRO/Mini 2 for 3.0mm Filament. A complete plug-in-play aftermarket toolhead for the LULZBOT Toolhead Upgrade for 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