Optimized Performance: Designed specifically for S1, this hotend kit ensures reliable and precise 3D printing. The kit includes both brass and hard steel nozzles to cater to different printing needs, enhancing durability and print quality. Versatile Configuration: this kit allows for easy replacement or upgrade of your printer's hotend, ensuring minimal downtime and maximum productivity. Easy Installation: The J-head design of the print head makes it straightforward to install, making it ideal for both beginners and experienced users. Product name: For S1 hot end kit Nozzle temperature: 320 Recommended speed: 300mm/s Nozzle diameter: 0.4mm Maximum speed: 600mm/s Supported consumables: PLA, PETG, TPU, ABS, ASA Maximum acceleration: 20000mm/s Due to different batches, there may be differences in product appearance and printed text, which not affect use Specification:2sets Colour:As Shown Material:Brass + Hardened Steel Package Contents: 2sets x Hot End Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.