Precision Block Sets, Metric and Inch, 2 Ps Set(1 Pair Set) Size:1-2-3 Block, 23 Holes (EG06-0411) The correct drill bit comes

The correct drill bit comes with each tap in a sturdy Metal case

1pc dustproof plastic cover

Precision Angle Plates

Precision and Rigidity: Generally provides superior clamping force and rigidity

5 - 13mm : +/-0

Precision Block Sets, Metric and Inch, 2 Ps Set(1 Pair Set) Size:1-2-3 Block, 23 Holes (EG06-0411) The correct drill bit comes1 2 3 precision blocks are precision ground block at exactly 1 inch by 2 inches by 3 inches. The 2 3 4, 2 4 6, and 25 50 75mm blocks apply the same principle. The blocks are accurately ground, so they are the standard that machinists use in terms of setting up, doing fixturing, touching off tools. They can be used with various milling machines' setup tools such as height gauge and test indicators in inspection for calibration and measuring. The holes