![](https://www.avongard.com/wp-content/uploads/2021/05/hero-inner-image.jpg)
Corner Tell-Tale
Back to Avongard Tell-TalesThe 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. The Corner Tell-Tale 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 Monitoring Record Sheet
Corner Tell-Tale
![Corner Tell-Tale](https://www.avongard.com/wp-content/uploads/2021/07/One-Corner-Tell-tale-scaled-374x250.jpg)
Use Singly
Use singly to monitor two dimensional movement.
![Corner Tell-Tale](https://www.avongard.com/wp-content/uploads/2021/07/Two-Corner-Tell-tales-scaled-374x250.jpg)
Use in Pairs
Use in pairs to monitor three dimensional movement.
![Corner Tell-Tale](https://www.avongard.com/wp-content/uploads/2021/07/One-Corner-Tell-tale-Alternate-scaled-374x250.jpg)
Floors & Ceilings
Re-configure the Tell-Tale components to monitor cracks between ceilings and walls or floors and walls.