PET-U 10 Pair 1/8 x 3Inch Machinist Parallel Block Tool Set.0002In Hardened Precision Machinist Tools

10 Pairs 1/8 x 3 Precision Parallel Block Set Specification: Material: Grade Alloy Steel Size Range: 1/2 - 1-5/8 Parallelism: 0.0002 Tolerance of Size: ±0.0003 Features: -Precision Parallel Block Set -Made of high grade alloy steel hardened and ground -Holes designed for easier handling and setup -Within +/- 0.0002 in Parallelism and height allowance Packages includes: 1 Pair of 1/8 X 1/2 X 3 1 Pair of 1/8 X 5/8 X 3 1 Pair of 1/8 X 3/4 X 3 1 Pair of 1/8 X 7/8 X 3 1 Pair of 1/8 X 1 X 3 1 Pair of 1/8 X 1-1/8 X 3 1 Pair of 1/8 X 1-1/4 X 3 1 Pair of 1/8 X 1-3/8 X 3 1 Pair of 1/8 X 1-1/2 X 3 1 Pair of 1/8 X 1-5/8 X 3