prusa I3 extruder carriage for MK 8 extruder

this carriage is used on the geeetech prusa i3 pro, pro B and pro C, http://www.geeetech.com/acrylic-geeetech-i3-pro-b-3d-printer-kit-p-917.html
if you got the above printer, or you got a mk8 extruder, you can use this carriage.