Cutex (TM) Brand Lower Looper #77014 For Singer 14J250, 14J334 / White 1300, 2000 Serger Go to amazon.com Related posts Check expert advices for serger looper? FeatureLower Looper For Singer / Viking / White Home Sergers.Part # : 77014Fits Singer models : 14J250, 14J334 Fits Viking models : H|Class 200s Fits White models : 1300, 2000 DescriptionLower Looper For Singer / Viking / White Home Sergers. Part # : 77014 Fits Singer models : 14J250, 14J334 Fits Viking models : H|Class 200s Fits White models : 1300, 2000