Avongard Standard Tell-Tale
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The Avongard Standard Tell-Tale is a precision gauge 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.