Standard model Tell-Tale for monitoring horizontal and vertical crack movements in buildings & structures.

Range: horizontal ± 20 mm, vertical ±10 mm.

Accuracy of measurement: 0.5mm.

Tough clear polycarbonate.  Size 145mm x 30mm.

For attachment with screws or epoxy adhesive (not included).

Supplied with record sheet for up to 8 readings - can be photocopied.

SKU GD-CRACKM

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