Comprehensive 3D Printer Upgrade Kit: This all-in-one package includes a high-quality silicone sock, a durable heating tube, a precise thermistor, a volcano nozzle for faster printing, a robust heat block, and a smooth-operating throat extruder. Enhanced Printing Performance: Designed for efficiency and reliability, our kit ensures optimal heat distribution and stability, reducing the risk of printing errors and enhancing the quality of your prints. Easy Installation: With straightforward instructions, this kit is easy to install, making it perfect for both beginners and experienced users looking to upgrade their 3D printer's capabilities. Specifications: Nozzle specifications: 0.4/0.6/0.8/1.0/1.2mm Color: As shown Material: Plastic + Metal Package Contents: 1 x Kit Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.