It is used for soil testing. CBR Hand Operated Apparatus consist of load frame 50KN, CBR Mould MS 150mm dia. x175mmht. with collar & base plate, penetration piston, didplacer block, Surcharge Weight 2.5Kg, Perforated plate, rammer 2.6kg, Dial Gauge 25x0.01mm, Proving Ring 30KN with our caliberation certificate.