Matched Pair Ultra Precision 2-3-4 Blocks – 23 Holes, .0002 Precision – Steel Gage Blocks

For machinists and toolmakers who demand accuracy, this matched pair of ultra precision 2-3-4 blocks is a must-have.

Made by Menbager, these steel blocks measure 2 inches by 3 inches by 4 inches and feature 23 precision-drilled holes.

They’re rated to .0002 precision, so you can trust them for setups, inspections, and layout work.

Each block is rectangular and built from quality steel to hold up in the shop.

Whether you’re checking squareness, setting up stops, or using them as parallels, these blocks deliver repeatable accuracy.

They come as a matched pair, meaning they’re made to work together.

Part number 571026 is referenced for consistency.

New in packaging, ready for the tool box.

If you take your machining seriously, these blocks belong on your bench.