Prym Metal Bobbins, Silver, 21,2 MM

Sewing machine bobbins for rotary hooks & double rotary hooks Ø 21.2 mm, height 9.2 mm for small rotary hook Ø 21.9 mm, height 9 mm for double rotary hook Sutaible for Singer, Durr Kopp, Champion and Pfaff machine brands They are made of metal & very durable