Description: Transparent Design: The extruder enjoys a transparent design, when working, you can watch the printing filament go through to see how it works. Dual Gear: Two wheels grab the filament from both sides, which can ensure a smooth feeding and provide fast retraction. Adjustable Pressure Spring: You can easily adjust the clamping force of the filament, more comfortable and convenient to use. Premium Material: The printer extruder is made of ABS and iron, which is durable and lightweight, which can reduce the stress on the printer and is extremely easy to assemble. Wide Use: The extruder features a strong compatibility, which is suitable for most 3D printers. Specification: Color: Clear/Black. Material: ABS+Iron. Package Size: Approx. 9x6.5x6.2cm/3.54x2.56x2.44inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Box. 1 Piece Motor Support. 1 Piece Extruder. 1 Piece Instruction Manual. 1 Piece Gear. 1 Piece Spring. 1 Piece Gasket. 1 Piece Adapter Buckle. 1 Piece Leveling Nut. 3 Piece Hexagon Socket Screws. 2 Piece Hex Wrenches. 1 Piece Larynx.