Singer 360 straight stitch needle plate #171391 and darning zig zag plate unmarked #102409.  Both mint condition.  Will work on models: 240, 241, 242, 247, 247AP, 248, 249, 2404, 250, 252, 263, 288, 3100, 3101, 3102, 3103, 3105, 327, 327K, 328, 329, 337, 338, 347, 348, 353, 354, 360, 362, 366, 367, 413, 413K, 416, 416K, 418, 418K, 457, 457K, 466, 476 Stylist, 476K Stylist, 477, 478, 478K, 547, 563, 588, 7101, 9500, 9502, 9505, 9518.  Price includes shipping to lower 48.  Return for full refund if fails on your Singer machine.