Please note: Actual product slightly in color or appearance, but this does not affect functionality. We appreciate your understanding! To make high- we use high-quality materials. consumables when using 3D printers. At the same time, the double gear structure has a larger transmission ratio and improves the torque to improve the thrust of the extruder. The integrated reduction gear eliminates the jacking wire fixation to prevent slipping. The gear is small in size and light in weight. The HGT extruder gear is an integral quenched -plated gear, a integral reduction gear, which can the screw fixation of the machine meter, the phenomenon of slipping, and prevent the phenomenon of sliding and falling off in the printing process. The reduction gear and handle gear are designed with double bearings. The two gears are post-treated, quench and electroplated to make them more wear- and improve the printing quality. The positioning pins are made of high hardness material, which slows down the wear in the printing work and prolongs the service life. Specification: B: HGT Extruder (without motor) Color: Picture Color Material: Metal Package Contents: 1set * HGT Drive Extruder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.