Features: Highly flow design: X1C Highly flow hot end accessory, providing more efficient material conveying capacity Suitable for longterm printing and large-scale printing projects. improve production efficiency and quality. P1S Upgrades Accessory: Hot end upgrades accessory specifically for Lab 3D printers Highly-temperature resistant materials, with strong stability and is suitable for printing needs under various temperature requirements. The design of uniform heat distribution is reasonable, which can effectively distribute heat evenly and reduce temperature unevenness during the printing process Specifications: Material: Metal+Plastic SizeMixed Types: X1C/ P1 Package Includes: 1Set 3D Ptinter Hotend Kit note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.