PART#: 49544T+49047T 1SET
The alternative part number is:42519X20T 

THIS LISTING INCLUDES :

1SET BRAND NEW HIGH QUALITY Welting Foot  WITH Teeth fit for Pfaff Industrial Walking Foot machines.

Fit for PFAFF sewing machine models:
145 ,146 ,195 , 335 , 540 , 545 ,1240 , 1245

There are 6 different sizes to choose from depending on the welt size. Please select from following available sizes.

1/8"=3MM,   5/32"=4MM,   3/16"=5MM,   1/4"=6MM,   5/16"=8MM,   3/8"=9.6MM