1. This essential upgrade ensures optimal performance and precision in 3D printing.Printing speed is doubled. 2. Enhanced Durability: Crafted from high-quality materials, the heated block withstands high temperatures, ensuring long-lasting use. 3. Precision Engineering: It fits perfectly with J-Head configurations, enhancing print quality. 4. Temperature Stability: The included silicone sock aids in maintaining stable temperatures, reducing the likelihood of printing errors due to temperature fluctuations. 5. Suitable for large-scale 3D printing, faster, stronger, and larger printing speed, used with volcano nozzle. Colour:silver Material:aluminum The actual product may have slight color difference or difference, which not affect the use Package Contents: 3 * Heated Block 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.