SPI V-Blocks, Per Matched Pair, Laboratory Grade AA, Universal Type, 2 x 2 x 2-1/2 – 50-271-6

SPI V-Blocks, Per Matched PairLaboratory Grade AA, Universal Type,2 x 2 x 2-1/2 Accuracies indicated are per 6 inches Nominal dimensions 1/8" The 90 V is centered to the parallel sides, parallel to the bottom and square to the ends On the economy models, t