The Upgrade Ender 3 Hotend MK8 Extruder Hotend Kit with 1X Silicone Cover is a high-quality 3D printer part designed for the Ender 3 printer. Manufactured by Jahour in the United States, this kit includes a silicone cover for added protection and insulation. The package dimensions are 6.26 x 4.53 x 0.91 inches and weigh 2.89 ounces, making it easy to transport and install. Compatible with the MK8 model, this hotend kit is a reliable upgrade for improving the functionality and performance of your 3D printer.