As per IS : 2720 (Part - X) - 1991 RA 1995, IS : 4332 (Part - V) - 1970 RA 1995, ASTM D 2166, AASHO T-208, BS : 1377. Spring Type, suitable for testing 38 mm dia x 76 mm high samples consisting of Spring Operated Load Frame, set of 4 springs having stiffness 0.2 kg, 0.4 kg, 0.8 kg & 1 kg/mm., calibrated mask, set of 50 charts & a metal carrying case.