(0.6/1.75mm, 12V40W), 0.6/0.8/1.0/1.2mm Nozzle for option. For the heating pipe, 12V40W and 24V40W for option. 12V/24V for the coling fan. Modified from the E3D V6 Kit, the feeding pipe and heat cooling tube are the same as E3D V6, the heating block and the nozzle are Volcano ones, suit for the large-scale 3D printing. Package list: E3D V6 Volcano print head * 1pc (default heating pipe 12V .