Supports the following standards: ASTM D4318, AASHTO T89, AASHTO T90 Motorized liquid limit machine gives uniform testing with greater degree of accuracy. Unit is comprised of H-4230 ASTM liquid limit machine with geared motor to give proper operating speed and automatic counter. Machine is attached to metal plate with rubber feet. Includes H-4229 ASTM grooving tool and gauge block. Complies with ASTM D4318; AASHTO T89, T90. Shipping wt. 14 lbs. (6.4kg)