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Corner Tell-Tale

The Avongard Corner Tell-Tale monitors horizontal and vertical movement across a crack in a corner.   The Tell-Tale is hinged enabling it to be used in internal corners of angles between 70 and 180 degrees.   Monitors both internal and external corners.   Avongard Tell-Tales are precision gauges that consist of two plates which overlap for a part […]

  • SKU : G-K73-TC21
  • Manufacturer: Avongard
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The Avongard Corner Tell-Tale monitors horizontal and vertical movement across a crack in a corner.  
  • The Tell-Tale is hinged enabling it to be used in internal corners of angles between 70 and 180 degrees.  
  • Monitors both internal and external corners.  
  • Avongard Tell-Tales are precision gauges that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the form of a cross.  
  • Fix using Screws and Adhesive (not included but available as accessories).  
  • Supplied with full instructions and Crack Record Sheet.
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