The Tiertime Nozzle Heater is a high-quality extruder nozzle specifically designed for ABS, PLA, PET, Nylon and more with UP Series 3D printers, such as UP3D UP mini 2. This product from Tiertime ensures precise and efficient 3D printing performance, making it an essential component for creating detailed and high-quality prints. Its reliable brand reputation and compatibility with specific 3D printer models make it a sought-after choice for those looking to enhance their 3D printing experiencePart number is BC0058. I believe this is the V3 version.