The temperature control function provides reliable and efficient performance. Rapid heating technology helps improve work efficiency. High adaptability makes it a suitable replacement heating element for compatible models. Constructed with ceramic material for durability and long service life. Product dimensions: 18cm x 1.2cm x 1.2cm / 7.09" x 0.47" x 0.47" (Approx.). Compatible with 858D, 898D, 8586, 852D+, 8858, 8058D, and 850D brushless fan type handle soldering stations. Item Name: Heating Core Material: Ceramic Power: 700W Voltage: 220V, 110V Type: Heating Element Number of Wires: 4 Display: Non-digital Features: Replacement, Temperature Control, Easy to Use Compatible Models: 858D, 898D, 8586, 852D+, 8858, 8058D, 850D Note: Due to lighting and screen settings, the actual color may vary slightly from images. Slight measurement differences may occur due to manual measurement. Package Includes: 1 x Heating Core