Description: Voltage: 12V, power: 30W. The stainless steel part 6mm diameter,20mm in length. The wire length approx. 1 meter. Keeps your 3D Printing Very Smoothly and Easily High quality parts makes the printer much more stable. Useful parts for 3D printer. widely applied for 3D printer, model heating, hot-box & other heating devices Package Includes: 1 Piece Cartridge Heater