Description: -Suitable for 1.75mm filament, XYZ, I3, Delta(Kossel), Ultimaker, Hbot, etc, printer. -Filament extruder feeder unit, spring loaded for easy loading/unloading of filament. -Equipped with pneumatic fittings, the feed process more smoothly. -Made from solid plastic, Includes grooved roller bearing, spring and fixing screws. -Matte treated surface, difficult to deform, suitable for long-term use. Specification: Material: PC Type: right Package Includes: 1 Piece 1.75mm Filament Extruder Feeder(Right Hand) Note: Highly suggest skilled person to install it. Professional Installation is Highly Recommended