Optimized Design for S1: This hotend kit is specifically designed for S1 3D printer, ensuring a and optimal performance. Enhance your printing experience with a reliable and efficient hotend system. and Precise: Crafted with high-quality materials, the nozzle and print head offer exceptional and durability. Experience consistent printing results with a hotend that withstands rigorous use. Easy Installation: The combo kit includes all necessary components for a hassle-free installation. Get back to your projects quickly with an easy-to-install hotend that integrates seamlessly with your for S1. Enhanced Printing Quality: Improve the quality of your prints with a hotend that maintains stable temperatures and delivers smooth filament flow. This kit is essential for achieving high-resolution and accurate 3D prints. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: Hardening Steel Package Contents: 1 x Hardened Steel 0.4mm Hot End Kit 4 x Hardened Steel Nozzles (0.2mm + 0.4mm + 0.6mm + 0.8mm) 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.