1 Matched Pair 123 Block Set No Hole & 1-2-3 Block Set 23 Holes US

Specification：
1-2-3 Block Set 23 Holes
Product Dimensions: 1" x 2" x 3", 2.1 lbs.     weight
23 holes consists of 5 tapped holes that are 3/8-16 for clamping and 18 untapped holes
Accuracy with squareness on all sides within .0002" per inch
Hardened and precision Ground on all 6 sides of each block
Cross drilling design gives minimum weight and maximum strength
Made of high grade tool steel hardened and ground on all 6 sides of block.
Accuracy high hardness and helpful for set-up work, heat treated and case hardened to HRC 57-62
Accurate and easy to clean for CNC machinist
Accuracy machinist block for milling machine
Well oiled ,cleaned up easily,nicely flat,good surface finish

123 Block Set No Hole
Heat treated and case hardened to HRC 57-62
Made of precision-grade tool steel hardened and ground on all 6 sides of block
Accuracy and squareness on all sides within .0001"-.0002"
Dimensions- 1" x 2" x 3", 3.5 lbs.    weight

Package Including：

1 Matched Pair 123 Block Set No Hole & 1-2-3 Block Set 23 Holes