This will replace the two feed gears and two hook gears. .

Fits Singer 502, 507, 509, 513, 514, 518, 522, 527, 533, 534, 538, 543, 560, 800, 860,

Color may be black or white.

included-

383273 - Large feed shaft gear, replaces # 174491, 177491, 422325, 153487

174488 - Long feed drive gear, replaces # 153490, 313920, 422408

163997 - Hook drive gear, replaces # 103363, 163331

103361 - Hook Gear