Further testing.
Expected Size Tolerance +/- lowest possibility outcome
.555 .01 .545 accepted
.555 .001 .554 accepted
.555 .0001 .5549 accepted
.555 .00001 .55499 accepted
.455 .0002 .5548 accepted
.655 .0002 .6548 accepted
.555 .003 .552 accepted
.555 .0003 .5547 accepted