DIY 1.75mm Remote Proximity All-Metal Reprap Bulldog Extruder for 3D Printer 3dprinter mechanical transmissionPackage included:5 x Coupler

mechanical transmissionPackage included:5 x Coupler with Spanner

Material: Aluminum

for most of 3D printer model

By simply adding an extruder holder

Voltage input range: 20V~50V DC(Recommended 36v or more)

DIY 1.75mm Remote Proximity All-Metal Reprap Bulldog Extruder for 3D Printer 3dprinter mechanical transmissionPackage included:5 x CouplerFeatures: Symmetrical design (The motor can be installed in the left or right side). All metal extruder. Extruder drive is stable and accurate. Direct drive extruder. Suitable for 42 stepper motors and precision planetary reducer motor. Can be driven as short range or remote extruder. Easy to replace filament , you just need pushing it. Compatible with E3D J head MK8 etc. Specifications: Extruder Gear Inner Bore: 5mm. Designed for 1. 75mm