The VL Land String Series is an ideal product for land oil exploration. It distinguishes itself through excellent performance. It features stable and reliable parameters, light weight design, easy handling and is structurally strong. The VL Series is suitable for all kinds of complex land exploration. The VL Series is widely used in oil exploration, mineral exploration and engineering exploration.Characteristics:*Nylon waterproof case, high erosion resistance*Very strong at -40℃~+70℃*Suitable for B series, X series and S series*Special structure, superior anti-noise performance