SIN-139354 | Singer Feed Dog 3/16"
SIN-139364 | Singer Feed Dog 3/16 CL 231-25
SIN-139049-3/16" | Singer Feed Dog 3/16" use with 139186 3/16
SIN-139049-1/4" | Singer Feed Dog 1/4 " (15 teeth per 1") use with 139186 1/4
