Bobbin case for Regular (non-automated) Single Needle Machines: Below is a list of machines that this bobbin case will work on: - Alphasew model P20U33-3. - Baby Lock models BL3000, BL4000, BL5000 and BLQP. -Bernina models 330, 340, 430, and 440. -Brother model PQ1500. -Econosew models DDL-8500, DDL-8700. -Consew models 99, 103, 105, 199R, 210, 220, 230, 231, 2230 and 292. -Elna models 100, 101, 102, 103, 104 and 1000. -Juki models TL98E, TL98Q, TL98QE, DDL-227, DDL-555, DDL-5530, DDL-5550, DDL-8500, DDL-8700. -Riccar model 414. -Pfaff Grand Quilter (Hobby 1200) -Singer models 191, 206K, 241, 251, 281, 306K, 306W, 319, 591.