Side / Cover plate screws fit Mitchell Models:- 300, 301, 300A & C, 330, 331, 330A, 331A, 350, 351, 351A, 400, 401, 410, 411, 410A, 411A, 440A, 440A Match, 441, 441A Match L, "Match", 510. 810, 840, 900 series and a few more.
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