4 Pair 3/16" Steel Parallel Set .0002" Hardened

[Material]: Made of high-quality alloy steel, precision ground, and hardened [Size]: All are 6" Long and 3/16" Wide or Thick [Accuracy]: +/- 0.0002" in Parallelism and height [Feature]: Two Holes in Each for Easier Handling [Package]: Combo Set, 4 Matched Pairs, Thin Style. Includes: 1 Pair 3/16" x 1" with 5/16" Hole; 1 Pair 3/16" x 1-1/4" with 3/8" Hole; 1 Pair 3/16" x 1-1/2" with 7/16" Hole; 1 Pair 3/16" x 1-3/4" with 1/2" Hole