Characteristic: 1. The reduction gear device can also give the extrusion greater torsion while reducing the load on the motor and extending the life of the motor. 2. A unique double feed gear can minimize slippage and increase feed performance> 3. Use of alloy material to improve the service life 4. Excellent workmanship, perfect replacement for the old 5. Including 1 set of installation kits, easy to install and remove Specification: Element type: Gear extruder Material: Alloy Step value/pulse number parameters from BMG Metal Extruder: For Lerdge motherboard: 16 divisions: 382.165, 32 divisions: 764.331, 64 divisions: 1528.662 For ChiTu motherboard: 16 divisions: 0.002616, 32 divisions: 0.00130, 64 divisions: 0.00065 Other motherboards: 16 divisions: 382.165, 32 Divisions: 764,331, 64 divisions: 1,528,662 Package list: 1 x installation of the extruder1 set kit