For sale are the following parts for the Singer 29k1,4,10,18,21,23,32,33. You might have to check the part number for compatibility with your machine. Shuttle carrier (with screw and spring) - p/n 8605 - €33         Qty-1 Small rack - p/n 8599 - €25      Qty-2 Driving pinion (with screw) - p/n 33513 - €32      Qty-2 Following pinion - p/n 8608 €20       Qty-1 I have tried the parts in a 29k1 and they fit, the rack is very tight so it might need honing on the back side an