Bearing holes distance：18 mm (and can slightly adjusted to adapt with printed plastic parts)
Weight:211g
This carriage can be used with direct extruder and bowden extruder
The axis distance is 18mmThis is a neatly designed mounting base block for extruder on X-axis of a Prusa I3 printer.

Package include:
1 x Reprap Prusa i3 3D Printer Parts X Axis Printing Head X Metal Exturder Carriage