- 10 Pair set of 1/8" x 4" precision parallels
- Made of high grade alloy steel hardened to 52 to 58 Rc
- Tolerance: Parallel to 0.0003" on 2 sides, top and bottom
- Dimensions: Within 0.001" allowance
- Heights are 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", and 1-5/8"
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