1PCS Upper Knife. Fit for SINGER sewing machine models: 246-1, 246-13, 246-16, 246-20, 246K, 246K44, 246K46, 246K61, 460.14, 460-55, 460K43, 460K45, 460K73, 460K75, 990B2, 990B3, 990B4, 990B5, 990E3, 99E43, 991B, 991E3, 993B10, 993B3, 993B43, 993B50, 993BX10, 993BX3, 993BX43, 993BX50, 993E3, 993E10, 997E10, 997E11, 997E3, 997E5, 997E6, 998E3, 99E10, 99E3 PART#:164550 THIS LISTING INCLUDES : 1PCS #164550 BRAND NEW HIGH QUALITY Upper Knife. Fit for SINGER sewing machine models: 246-1, 246-13, 246-16, 246-20, 246K, 246K44, 246K46, 246K61, 460.14, 460-55, 460K43, 460K45, 460K73, 460K75, 990B2, 990B3, 990B4, 990B5, 990E3, 99E43, 991B, 991E3, 993B10, 993B3, 993B43, 993B50, 993BX10, 993BX3, 993BX43, 993BX50, 993E3, 993E10, 997E10, 997E11, 997E3, 997E5, 997E6, 998E3, 99E10, 99E3