Features: Achieve high speed printing with Ender3 High Speed Printing Hotend Kit featuring a 300C hardened steel nozzle and extension cable. The kit is lightweight, has a fastheat conduction heating block, and wear-resistant hardened steel nozzle for longer service life. This kit is suitable for CR10/CR10S/Ender3/v-2/Ender3/Wolong2.4 models and supports various consumables such asPLA, ABS, PETG, TPU, PP, PC, nylon, PEEK, PEI,etc. For DIY enthusiasts, educators, and professionals looking to improve their 3D printing experience. Upgrades your 3D printer with the TZE3 extrusion head for improved print quality and efficiency. Specifications: Item:TZ-Ender3 Nozzle 3D Printer Extrusion Kit Material:Hardened Steel+Plastic For Ender3/v-2/CR10/VORON2.4 3D Printers Package Includes: KIT1: Tz-E3 Extrusion Nozzle Kit With 1 Silicone Sleeve KIT2: Tz-E3 Extrusion Nozzle Kit With 1 Silicone Sleeve And 1 Hardened Steel Nozzle 0.4mm KIT3: Tz-E3 Extrusion Nozzle Kit With 1 Silicone Sleeve And 2 CHT Nozzles (0.4mm/0.6mm Each) KIT4:Tz-E3 Extrusion Nozzle Kit With 1 Silicone Sleeve, 1 Hard Steel Nozzle 0.4mm, And 2 CHT Nozzles (0.4mm/0.6mm Each) Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 1cm errors due to manual measurement. Package includes: 1 Set Tz-E3 Extrusion Nozzle Kit (Optional Package)