Specification:

-Made from fine quality tool steel stress relieved against distortion, precision ground and hardened.
-Complete with fitted durable plastic case or Wooden box.
-2 holes in each parallel.
-DIMENSION: 1/8 x 1/2 x 3", 1/8 x 5/8 x 3", 1/8 x 3/4 x 3", 1/8 x 7/8 x 3", 1/8 x 1 x 3", 1/8 x 1-1/8 x 3", 1/8 x 1-1/4 x 3", 1/8 x 1-3/8 x 3", 1/8 x 1-1/2 x 3", 1/8 x 1-5/8 x 3"

-Tolerance: parallel to 0.0003 on 2 sides, top and bottom

-Precision ground and hardened