The following are all genuine PFAFF brand bobbins designed for different models of PFAFF sewing machines.You may also find that some of these are
91-163 263-91 PFAFF 118 BOBBIN CASE WITH SPRING, ArmaStore
The following are generic Hemline branded bobbins designed for various models and brands of sewing machines. Each pack has 3 bobbins inside., Where
Hemline Bobbins for Sewing Machines (Various Brands / Models)
10 Pk. Pfaff Plastic Bobbin #93-040970-45 For Many Pfaff Model Sewing - Cutex Sewing Supplies
10 Pfaff New Style Bobbins 9033NS
Metal L Bobbins - Single, 10 Pack, & 20 Pack Options - Moore's Sewing
Singer Bobbins for Sewing Machines – Bobbin and Ink
Pfaff Sewing Machine Plastic Bobbins (10 pcs/package) #820779096 - AliExpress
Large Bobbins #18339 for Pfaff industrial machines
Pfaff, Bobbins 20 Pack 9033