ANCHORA DE REMALADO IZQUIERDA SINGER MODELOS :134D, 14U12A, 14U32A, 14U34, 14U34B, 14U44, 14U44B, 14U454, 14U46B, 14U52A, 14U64A, 14U85B, 14U234, 14U234B, 14U244B, 14U285, 14U286, 14U344, 14U354, 14U444, 14U454B & PRO4D. Lower Looper, Singer #410452 Compatible with Omega Serger Machine Models: 15J103 & 303SI Compatible with Singer Serger Machine Models: 14U12A, 14U32A, 14U34, 14U34B, 14U44, 14U44B, 14U454, 14U46B, 14U52A, 14U64A, 14U85B, 14U234, 14U234B, 14U244B, 14U285, 14U286, 14U344, 14U354, 14U444, 14U454B & PRO4D. Alternative Part Numbers Include 93-414104-52/000