4 Pair Fowler 1", 1-1/4", 1-1/2" & 1-3/4" Parallel Set - Accuracy: ± 0.0002"
Accuracy: ± 0.0002"Hardened and ground for durability and accuracySizes: 1", 1-1/4", 1-1/2", & 1-3/4" in height by 6" long1-1/2" and 1-3/4" parallels are 1/2" thick1" and 1-1/4" parallels are 3/16"Width and height variations = 0.0004"