Check Spring

SINGER

Singer OLD TYPE Basic Check Spring 15K

Singer OLD TYPE Basic Check Spring    15K Series

SINGER

Singer OLD TYPE Basic Check Spring 66k 99k

Singer OLD TYPE Basic Check Spring  Check Down type   66k 99k including 66-1, 66-4, 66-6, 66-8, 66-14, 66-16, 66-18, 66-24, 99 Class

SINGER

Singer OLD TYPE Basic Check Spring 201k 221k 222k 401 +

Singer OLD TYPE Basic Check Spring    201k, 221 and 221 Featherweight, 237, 239, 240, 241, 242, 247, 257, 258, 301, 401, 500 series, 4500 series, 6000 series, 6200 series, 6500 series, 8012, 8600 series

SINGER

Singer OLD TYPE Basic Check Spring 27 28K 127K 128K

Singer OLD TYPE Basic Check Spring    27, 27-1, 27-2, 27-3, 27-4, 28K1, 28K2, 28K3, 28K4, 127, 127-4, 127-14, 127K, 127K1, 127K2, 127K3, 127K4, 127K201, 127K212, 128, 128-4, 128K