The apparatus comprises of the following :-

Loading Unit:- Vertical load, capacity 8 kg/sq. cm. Load is applied either directly or through a counter balanced detachable lever. Provision is made for the load for the applied either througe a steel ball recessed in the loading pad or directly through a base of the loading yoke. shear load capacity 400 kg.

Direct shear box for square specimen size 60X60X25 mm complete with one base plate, two plane gripper plates, porous stones and one loading pad. shear box housing,complete with two ball roller strips. Specimen cutter for 60X60X25 mm specimen.