Singer Compatible Complete Tension Unit, This unit will need setting up to the correct tension once fitted
For many of the older singers 200 300 400 500 Series 6100 7100
1247, 1263, 1280, 1288, 1802, 1803, 1812, 1852, 1862, 1872, 1873, 237, 239, 240, 2404, 241, 242, 2430, 247, 247AP, 248, 250, 251, 252, 257, 258, 259, 288, 300,
3101, 3102, 3103, 3105, 3140, 337, 347, 360,
400, 401, 401A, 403, 404, 4522, 4525, 4526, 4528, 4530, 4538, 4825, 4828, 4830,
500, 502, 507, 509, 513, 522, 527, 533, 543,
600, 6021, 603, 604, 6102, 6104, 6105, 6106, 6110, 6112, 6114, 6115, 6116, 6120, 6122, 6124, 6125, 6126, 6130, 6136, 6146, 6152, 6156, 6174, 6184, 620, 620E, 620E31, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6221, 625, 626, 628, 629, 630, 630E, 635, 635E, 636, 638, 639, 640E, 645, 646, 649, 6606, 6610,
7100, 7101, 7102, 7105, 7108, 7110, 7146, 7174, 7184, 7186,
8500, 8600, 8614, 8734, 8834,
9502, 9505, 9518, 9606, 9608, 9612, 9618, 9900
