XSL Swivel with spinner is a combination of swivel and kelly spinner, driven by air motor or hydraulic motor, with keyless connection adopted between spinner and central pipe of swivel. It is designed and manufactured according to API Spec 8C Specification for Drilling and Production Hoisting Equipmentâ?� SL Swivel with spinner is a combination of swivel and kelly spinner, driven by air motor or hydraulic motor, with keyless connection adopted between spinner and central pipe of swivel. It is designed and manufactured according to API Spec 8C Specification for Drilling and Production Hoisting Equipmentâ?�