Contains (1) CRACKMON® 4020A heavy-duty crack monitor, instructions, and crack progress chart
Engineered polymer with vibrant measurement grid includes new polar magnitude measurement
±20 mm (±0.79") horizontal and ±10 mm (±0.38") vertical range
Unique CRACKMON® serial ID for engineering and forensic traceability
Designed and made in the USA. Epoxy and fasteners sold separately.