Direct drive Extruders

For filament 3mm

Direct drive extruder for 3 mm filament.Works better with Jhead hot end and a powerful nema 17 motor.
the mounting holes allow installation on prusa mendel V2 x-carriage and on the Greg's adapter for the prusa i3 mini x-Carriage.
The set include:
-plastic parts for the extruder
-Groovemount to be specified for which hot end 
-624zz Bearing
-pinch wheel

For filament 1.75 mm

KVR Extruder for 1.75 mm filament with standard plastic parts or with the base plate for installation on 50 mm Prusa i3 x-carriage

the Set include
-  all the plastic parts
-  pinch wheel
-  624zz bearings
-  Load Spring