[Ultra Precision]: 0.0002″ height accuracy precision matched blocks for mounting work for precision.
[23 Holes Design]: The unique design makes your work smooth, and great performance. Precision steel blocks have 23 holes with 5 holes tap to 3/8-16 threads for clamping and 18 untapped holes.
[Application]: These steel blocks can be used for set-up, layout, and inspection jobs. Suitable for all kinds of the machine tool.
[Durable Material]: Made of hardened tool steel and precision ground on all six sides.