High Quality Premium XFK‑77Q(Y) Claw‑Type Spinner for Oilfield Equipment Spinner Design Features A spinner is a special instrument that uses hydraulic pressure or air pressure as the driving force to rotate the kelly stem. When used together with the mousehole and drill pipe elevators, it can automatically complete the pipe connection operation. It is characterized by safety, high efficiency and reduced labor intensity. Besides quick pipe make-up, it can also be used for