Singer 14u Overlock Blade and Knife Set – Lower and Upper Knife Replacement Parts for Singer Overlock Machines Set of 2 blades (lower and upper) for Overlock sewing machines Upper blade (ref. 412585) – Compatible with Consew 14TU5432, 14TU854; PFAFF 756 Hobbylock, 4762 Hobbylock, 4772 Coverlock, Hobbylock 2.0; Husqvarna Viking Huskylock S15 Upper blade (ref. 412585) – Compatible with Singer 14CG744, 14CG754, 14HD854 Heavy Duty, 14SH644, 14SH654, 14SH744, 14SH754, 14SH764, 14U12, 14U12A, 14U13, 14U13A, 14U234B, 14U285, 14U32A, 14U34B, 14U344, 14U344B, 14U354, 14U354B, 14U44, 14U44B, 14U444, 14U444B, 14U454, 14U454B, 14U46, 14U46B, 14U52A, 14U53A, 14U544, 14U555 Lower blade (ref. 550449) – Compatible with Consew 14TU5432, 14TU854, 14TU857; Husqvarna Viking Huskylock S15; PFAFF Huskylock S15; Singer 14CG744, 14CG754 Pro Finish, 14HD854 Heavy Duty, 14SH644, 14SH654 Finishing Touch, 14SH6474, 14SH7474, 14SH754, 14SH764 Stylist, 14U544, 14U554, 14U555, 14U557, 85SCH Not compatible with other machine models Not compatible with Singer S14-78 (Lidl) Singer Overlock Blade Kit Compatibility: Compatible with most Singer 14SH and 14U overlock machines. Please verify compatibility with your specific model before purchase Basic spare part Overlock machine blades are high-wear components that require regular replacement. High-quality replacement blades help maintain optimal performance and extend the life of your sewing machine