CUCHILLA INFERIOR 14U234, 14U234B, 14U244, 14U285, 14U285B, 14U286, 14U286B, 14U32A, 14U34(14U34B), 14U344, 14U344B, 14U354, 14U354B, 14U44, 14U44B, 14U444, 14U444B, 14U454, 14U454B, 14U46, 14U46B, 14U64A, 14U65, 14U65B, 14U85, 14U85B, PRO4D COMPATIBLE CON: Babylock BL202, BL302, BL400 Easylock : EZ100 Elna: T3, T33, T34, T34D Omega: 303SI, 334D, 15J103, 15J134 Pfaff: 756 Riccar : 564DE, RL613, RL613E, RL624, RL624E, RL634DE, RL724E Sergemate : 300, 430, 432, 4350D, 5030, 5040L Simplicity : 4350d Serger, SL200, SL350, SL370 Easy Lock, SL4300 Easy Lock, SL4300ED, SL4360ED, SL803, SL804, SL804D, SL843, SL390, SW432 Singer: 14U234, 14U234B, 14U244, 14U285, 14U285B, 14U286, 14U286B, 14U32A, 14U34(14U34B), 14U344, 14U344B, 14U354, 14U354B, 14U44, 14U44B, 14U444, 14U444B, 14U454, 14U454B, 14U46, 14U46B, 14U64A, 14U65, 14U65B, 14U85, 14U85B, PRO4D ******************************************** Lower Knife, Singer #412749 Details Guaranteed to fit Babylock serger models: BL202, BL302, BL400 Guaranteed to fit Easylock serger models: EZ100 Guaranteed to fit Elna serger models: T3, T33, T34, T34D Guaranteed to fit Omega Serger Models: 303SI, 334D, 15J103, 15J134 Guaranteed to fit Pfaff Serger Models: 756 Guaranteed to fit Riccar serger models: 564DE, RL613, RL613E, RL624, RL624E, RL634DE, RL724E Guaranteed to fit Sergemate serger models: 300, 430, 432, 4350D, 5030, 5040L Guaranteed to fit Simplicity serger models: 4350d Serger, SL200, SL350, SL370 Easy Lock, SL4300 Easy Lock, SL4300ED, SL4360ED, SL803, SL804, SL804D, SL843, SL390, SW432 Guaranteed to fit Singer serger models: 14U234, 14U234B, 14U244, 14U285, 14U285B, 14U286, 14U286B, 14U32A, 14U34(14U34B), 14U344, 14U344B, 14U354, 14U354B, 14U44, 14U44B, 14U444, 14U444B, 14U454, 14U454B, 14U46, 14U46B, 14U64A, 14U65, 14U65B, 14U85, 14U85B, PRO4D Alternate Part Numbers: 60544