This set includes an upper and lower knife blade compatible with various home serger sewing machines. The upper blade is designated as part 412585, while the lower blade is part 550449. These blades are suitable for models in the 14U series, including models such as 14U12A, 14U13A, 14U23A, 14U32A, 14U34B, 14U44, 14U44B, 14U46B, 14U52A, 14U53A, 14U64A, 14U65B, 14U85B, 14U234, 14U234B, 14U285, 14U286, 14U344, 14U354, 14U444, 14U454, 14U454B, 14U544, 14U554, 14U555, 14CG744, 14CG754, 14SH654, 14SH644, 14SH744, 14SH754, and more. They are also compatible with models from brands such as Babylock, Elnitalock, Happylock, Pfaff, Consew, Omega, Riccarlock, and Simplicity. These blades are designed to ensure precise cutting and optimal performance during sewing projects, making them a reliable choice for maintaining your serger's functionality.
