Description: Allows to feed three different 1.75mm filaments through one nozzle. Provides a faster, easier and more precise method of 3D printing. All-metal, high performance J-head with efficient heat dissipation for fantastic printing. Prints with 3 different colors. Specification: Material: Plastic, Metal Size: 7.8 x 7.5 x 9.0cm/3 x 2.9 x 3.5inch Voltage: 12V Power: 40W Nozzle size: 0.4mm Filament size: 1.75mm Wire length: 1m Package Includes: 1 Set of 3 In 1 Out Extruder Hotend Nozzle with Cable