3/16 X 6" 4 PAIR PARALLEL SET (3900-3004)

3/16 X 1-3/4 X 6" 4 Pair Parallel Set Made from fine quality tool steel that has been stress relieved against distortion. Precision ground and hardened. These precision parallels are recommended for layout work, standards and set-up. The holes are designed for easier handling and set-ups. Case hardened RC 55 to 62 on 2 sides, top and bottom only. Tolerance is Parallel to 0.0003 on 2 sides, top and bottom. The dimensions are withing 0.001" allowance. Complete with fitted durable plastic case. Sizes included are 3/16 X 1, 3/16 X 1-1/4, 3/16 X 1-1/2, and 3/16 X 1-3/4". Shipping Weight: 4.2 lbs