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1¼±Àç°øÀå mm 5.5 6.5 7.0 - 8.0 8.5 9.0 - 10.0 - 11.0 12.0 - 13.0 - 14.0 - - - -
inch 0.216 0.256 0.276 - 0.315 0.335 0.354 - 0.394 - 0.433 0.472 - 0.512 - 0.551 - - - -
2¼±Àç°øÀå mm 8.0 9.0 10.0 - 11.0 12.0 13.0 - 14.0 - 15.0 16.0 - 17.0 - 18.0 - 19.0 - 20.0
inch 0.315 0.354 0.394 - 0.433 0.472 0.512 - 0.551 - 0.591 0.630 - 0.696 - 0.709 - 0.748 - 0.787
mm 21.0 22.0 23.0 - 24.0 25.0 26.0 - 27.0 - 28.0 30.0 - 32.0 - 34.0 - 38.0 - 42.0
inch 0.827 0.866 0.906 - 0.945 0.984 1.023 - 1.063 - 1.102 1.181 - 1.260 - 1.339 - 1.496 - 1.654
3¼±Àç°øÀå mm 5.5 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0
inch 0.216 0.256 0.267 0.295 0.315 0.335 0.354 0.374 0.394 0.413 0.433 0.472 0.492 0.512 0.531 0.551 0.571 0.591 0.610 0.630
4¼±Àç°øÀå mm 5.5 6.5 7.0 7.5 8.0 8.5 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0
inch 0.216 0.256 0.267 0.295 0.315 0.335 0.354 0.394 0.433 0.472 0.512 0.551 0.591 0.630 0.669 0.709 0.748 0.787 0.827 0.866