upper knife for Singer, pfaff

412585 upper knife for Singer 14CG744, 14CG754, 14HD854 Heavy Duty, 14SH644, 14SH654, 14SH744, 14SH754, 14SH764, 14U12, 14U12A, 14U13, 14U13A, 14U23A, 14U234, 14U234B, 14U285, 14U285B, 14U286, 14U286B, 14U32A, 14U34(14U34B), 14U344, 14U344B, 14U354, 14U354B, 14U44, 14U44B, 14U444, 14U444B, 14U454, 14U454B, 14U46, 14U46B, 14U52A, 14U53A, 14U544, 14U554, 14U555, 14U557, 14U64A, 14U65B, 14U85B, PRO4D