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The Suburban Tool 25 x 50 x 75mm Tri-Block, model PB-123-METRIC, is a no-holes metric setup block engineered for accurate workholding, layout, and inspection. Its three graduated faces make it the metric shop's answer to the classic setup block for everyday precision tasks.

Machinists and toolmakers use it to establish reference surfaces, elevate and support parts, and square work during milling, grinding, and layout.

  • Compact 25 x 50 x 75mm footprint ideal for tight metric setups
  • Solid no-holes design for stable, uninterrupted reference faces
  • Perfect for workholding, layout, and inspection on the bench or machine
  • Works as a parallel, riser, or squaring aid in the toolroom
  • Precision quality you expect from Suburban Tool setup blocks
  • Made in the USA by Suburban Tool

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