About Product:Hand-driven gear, suitable for conveying various oils, such as heavy oil, diesel oil, lubricating oil, with copper gear can deliver low liquid inside, such as gasoline, benzene, etc, at the same time, it can be applied to those containing hard particles or fibers. It is suitable for all kinds of viscosity and has good self-priming property. It does not need to be filled with liquid before opening the pump. The quality is guaranteed. The price is affordable. Welcome to shop and buy