SPI Parallels, Per Matched Pair, Inspection Grade A, 4 Faces, 1-1/2 x 3 x 18 – 50-338-3

SPI Parallels, Per Matched PairInspection Grade A, 4 Faces,1-1/2 x 3 x 18 Accuracies indicated are per 12 inches.Nominal dimensions .015" in width and length between finished surfaces, 1/16" for length and between unfinished surfaces.See all SPI Parallels,