The selection of proper aggregate for a given application is essential to attain the desired quality. Various characteristics are required to be determined for the selection of appropriate aggregate from the wide range available. Aggregate crushing value test apparatus is used for measuring resistance of an aggregate to crushing. Made of Mild Steel comprising of: * Cylindrical Cell, 150mm internal dia x 130 to 140mm height. * Plunger, 148 mm diameter x 100 to 115 mm height. * Base Plate, 200 to 230 mm square x 6 mm thickness. * Tamping Rod, 16 mm diameter x 450 to 600 mm length. * Metal Measure, 110 mm internal diameter x 180 mm height.