Perfect Compatibility:Designed specifically for Bambu Lab A1 and A1 mini 3D printers, this heating assembly kit ensures precise fit and stable performance as a direct replacement for the original hotend heating parts. All-in-One Heating Assembly:Includes heater cartridge, thermistor temperature sensor, synthetic stone and heat-insulating components, providing a complete heating block solution that simplifies maintenance and reduces downtime. Accurate Temperature Sensing:High-quality thermistor temperature sensor delivers fast, accurate temperature feedback, helping maintain consistent nozzle temperatures for smoother extrusion and improved print quality. Durable and Reliable Materials:Manufactured from high-temperature-resistant and wear-resistant materials for long service life, suitable for continuous and high-intensity 3D printing use. Stable Printing Performance:By providing steady heating and precise temperature control, this kit helps reduce clogging, warping, and layer adhesion issues, improving overall printing reliability. Color: As Shown Material: Plastic+Metal Package Contents: 1* Hotend Heating 1*Synthetic Stone 3*Screws 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.