Backed by many leading bobbin manufacturers in Japan and the Far East, Harvard Industrial offers a wide selection, comprehensive line of bobbins. Our bobbin types include EI, EE, EEL, ER, ERL, FFD, ETD, EP, PQ, RM, UU, with specialization in SMD types. Our manufacturers apply a computerized process to generate mold design, auto forming, and injection. All bobbins are made of UL-approved materials.