Description Singer 246K Upper / Top Knife 164550 This is a selection of our most Popular Knives But if the knife you require is not shown, just CALL and we will be delighted to help. Singer 246K machine 164550 part number Upper / Top knife Part No 164556 Lower / Bottom knife Part No 164728 Will fit Singer Overlock 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
