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The Metric SB-111 sine bar from Suburban Tool is a precision angle-setting reference built for the metric toolroom, inspection bench, and surface grinder. Paired with a stack of gauge blocks, it lets machinists and QC technicians establish and verify exact angles using dependable, repeatable trigonometry.

Compact and quick to set, the SB-111 is a go-to layout and inspection tool wherever accurate angular measurement matters.

  • Sets and checks precise angles using standard gauge blocks for repeatable results
  • Ideal for angular inspection, layout work, and setups on the surface grinder
  • Metric-oriented design suits shops working to millimeter standards
  • Trusted Suburban Tool precision for the toolroom and QC lab
  • Made in the USA by Suburban Tool

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