The Shear Box Counterbalance supports the top half of the Direct Shear Box to ensure its weight will be less than one percent of the applied normal force, as required in ASTM test specifications. The Shear Box Counterbalance can be used with Karol-Warner Shear Boxes for specimen dimensions 2.5in (63.5mm) or smaller. Inquire for larger sizes.
- Designed for Karol-Warner Shear Boxes 2.5in (63.5mm) or smaller
- Meets ASTM requirements