E3D Hemera Toolhead for LulzBot 3D Printers for High Speeds with Flexible and Solid 1.75mm Filaments. With stock 0.4mm Brass Nozzle. The Hemera is the newest E3D release featuring powerful dual-drive filament feeding system. It is lightweight and compact with great cooling ability allowing Hemera to handle just about any filament possible. We add on a 360 degree cooling duct with a built-in LED Light for easier print viewing. TAZ 5/6 & Mini v1 users will also need the Unversal Mounting System Toolhead Adapter. 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