Shinwa Sokutei Crack Scale Card Type Ruler 55mm (2.2 inches) | Precision Etched Stainless Steel for Concrete Testing

The Shinwa Sokutei 58699 Crack Scale Card Type Ruler is engineered for durability and precision in concrete crack testing. Constructed from high-strength stainless steel (SUS301), it resists bending and wear, ensuring reliable measurements even in demanding construction environments. The etched scale is designed to resist fading, providing long-lasting accuracy for critical inspections. Its compact, business card size makes it exceptionally portable for field use.

This ruler features a scale width accuracy of ±0.05 mm, crucial for detailed crack analysis. The etched markings ensure clarity and longevity, unlike printed scales that can wear off. Its