for PFAFF 335 CYLINDER LEFT TOE ZIPPER WALKING FOOT SET 40474 & 40475
(The inside foot also has teeth on the bottom. Part #40474; 3/16" (5mm) Width). The outside foot has one toe on the LEFT side and teeth on the bottom. (Part #40475; 3/16" (5mm) Width). PFAFF 335 Class Cylinder Walking Foot Machines.