Replacement Embroidery Machine Bobbin Case Style L - With Anti-Backlash Spring Compatible with Tajima, Barudan, SWF, Happy and Toyota industrial embroidery machines. * It is not compatible with ZSK machines * These standard size industrial bobbin case are widely used in commercial embroidery machine. It has been tested and used by thousand of our clients in United States and Canada. These bobbin cases are for commercial embroidery machines and will fit most machines using style "L" bobbins including Toyota, Tajima, SWF, Melco, Renaissance, PRO Capsule, PRO Shuttle, and more.