Description/Upgrade your 3D printer with our Extruder J- Hotend Kit, compatible with CR10, 3 series. This kit ensures reliable and precise 3D printing, enhancing performance and durability. Easy Installation: Designed for a hassle-free setup, compatible with multiple models. Enhanced Printing Accuracy: Improves the quality of prints with its advanced thermal control. Construction: Made with premium materials for prolonged use and consistent performance. In terms of heat dissipation, it performs outstandingly. The new design of fin shape and hollow out greatly improves the heat dissipation performance. The installation shape and size have been adjusted, and the compatibility and playability have been expanded, making it suitable for mainstream models such as Ender3 series, CR10 series, Voror2.4 series, etc. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Blue Material:Aluminum Alloy Package Contents: 1 x J- Hot End Hotend Print 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.