1. The soil Driller Kit is made of stainless steel 304 as a whole, which will not cause pollution to soil samples.2. The material is hard and the shape is not easy to be bent or twisted. 3. Spiral knife edge makes soil extraction more convenient, fast and labor-saving, reducing labor intensity. 4. Take 15 ~ 500px soil each time. 5. The surface of the soil driller Kit is marked with a scale value of 100mm per division, which provides a reference for taking soil samples of different depths.6. The soil extraction head is connected with the pipe and the handle by thread, which does not occupy volume after disassembly, and is convenient for transportation.7. When soil moisture data needs to be measured, it can be used as a connecting rod for soil moisture sensors.8. The borrowing depth is: 1m, 1.5m, 2m.