High-Efficiency SL160X And SL225X Air‑Tube Spinner for Oilfield Operations Product Description Spinner is a Special instrument that uses liquid pressure or air pressure as driving force todrive the Kelly stem rotate, Combined use of spinner and mousehole capllipers can automaticallyfinish the task of pipe connection, Its characteristies are safe, effcient and reducing the laborintensity, In addition to the quickness of pipe connection, it can also be used on fishing opera