The StitchMate Dual Spool Pins are auxiliary spool pins designed for use with various sewing machine models. They are compatible with a wide range of machines, including models from Singer, Bernina, Europro, Juki, Pfaff, and White Sewing Machines. These pins are suitable for models such as Singer 1120, 1725, 2010 (2009 Version), 2277, 2263, 2273, 2773, 2282, 2932, 3116 Simple, 3221 Simple, 3223, 3229, 3232 Simple, 3321, 3323 Talent, 3709, 3709-1, 3722, 3722-1, 3810, 3810-1, 3820, 3820-1, 3825, 3825-1, 44S, 4411, 4423, 4432, 4452, 5511, 5523, 5532 Heavy Duty, 5554, 6510, 6550, 7380, 8280, 85SCH, 9100, E99670, ET-1; Bernina models 55, 65, 80E, 90E; Europro models 8260L, 9105, 9106, 9125; EverSewn models Charlotte, Hero H100, Maker 200; Juki models HZL-355ZW-A, HZL-355ZW-C; Pfaff model Smart 200C; and White model 3100. These pins provide a reliable solution for managing multiple spools during sewing projects, ensuring smooth operation and versatility across various machine types.