Automatic Type Trip Hammer is designed to push or hammer the split spoon sampler with a weight of 63.5 kg with exact length of 75 cm fall. The Hammer eliminates the human error of measurement and lifting the weight and then dropping on split tube sampler. The Hammer is provided with AW box thread to carry out SPT test with AW drill rod. The Automatic Type Trip Hammer is used while conducting soil investigation or geotechnical test.