0.0003 Squareness Per Inch, Hardened Steel, 1-2-3 Block with 23 Hole Setup Block 0.0001 to 0.0007 Inch Overall Tolerance, 3/8 - 16 Inch Tapped Hole Size, 56-60 HRC Hardness, Sold As Matched Pair
0.0002 Squareness Per Inch, 1-2-3 Block with 23 Hole Setup Block 0.0001 to 0.0007 Inch Overall Tolerance, 3/8 - 16 Inch Tapped Hole Size, Sold as Matched Pair
0.0003 Squareness Per Inch, Hardened Steel, 2-4-6 Block with 23 Hole Setup Block 0.0001 to 0.0007 Inch Overall Tolerance, 5/8-11 Inch Tapped Hole Size, 56-60 HRC Hardness, Sold As Matched Pair
0.0003 Squareness Per Inch, Hardened Steel, 2-3-4 Block with 23 Hole Setup Block 0.0001 to 0.0007 Inch Overall Tolerance, 3/8 - 16 Inch Tapped Hole Size, 56-60 HRC Hardness, Sold As Matched Pair
0.0001 Squareness Per Inch, Hardened Steel, 1-2-3 Block Setup Block 0.0002 Inch Overall Tolerance, 5/16 - 18 Inch Tapped Hole Size, 55-60 Rc Hardness, Sold As Matched Set of 3
0.0001 Squareness Per Inch, Hardened Steel, 1-2-3 Block with 1 Hole Setup Block 0.0001 to 0.0007 Inch Overall Tolerance, 3/8 - 16 Inch Tapped Hole Size, 56-60 HRC Hardness, Sold As Matched Pair