When using the ceramic handle heating core, users will notice improved temperature retention, which to quicker and more effective soldering sessions. This feature is particularly advantageous when working on projects that require multiple solder joints in a short period, ensuring you can achieve results. Features -Color:Multi -Material:Ceramic -Size:11.50X0.70X0.70cm/4.52X0.28X0.28in Quick heat response: featuring advanced heating technology, this soldering iron core achieves high temperatures swiftly, for urgent tasks Compatibility with tools: engineered to be compatible with various soldering machines, ensures ease of use for all soldering projects Durable ceramic material: built from ceramic, it resists deformation and maintains performance under high heat conditions, ideal for intensive use Reliable thermal stability: excellent heat transfer capabilities ensure stable operation and prevent overheating during prolonged soldering sessions Designed for comfort: the handle's ergonomic design offers a comfortable grip, minimizing stress on hands and enhancing overall performance Package list: 4 x soldering iron heating core