As per IS : 2720 (Part - XXX) - 1980 RA 1997. Consists of a torque head adjustable in height by means of a lead screw rotated by a drive wheel to enable the vane to be lowered into the specimen. Rotation of the vane is by means of a hand wheel which operates a worm gear arrangement turing the upper end of a calibrated torsion spring. Vane dia rod dia, vane size & vane height are as per IS specification. The vane shaft is attached through the hollow upper shaft to a resettable pointer, which indicates the angle of torgue on a dial graduated in degrees. The dial reading multiplied by spring factor gives the torque. A container for soil sample is also supplied and a samplking tube of 38mm I.D. & 150mm long can also be used as container. Supplied with set of four springs, one each of approx. 2 kg cm, 4 kg cm, 6 kg cm and 8 kg cm. Complete as above in a wooden carrying case.