LOOPER Singer 14U12 Upper

For Singer Ultralock models 14SH644, 14SH654, 14U12, 14U32, 14U34, 14U44, 14U46, 14U52, 14U64, 14U65, 14U234, 14U244, 14U344, 14U354, 14U444, 14U454 Omega serger 15J103, 303SI, Pfaff serger 756,