The D&L Oil Tools Surface Tubing Swivel allows tubing to freely rotate under load during well service operations. Roller thrust bearings ensure smooth rotation under pressure and tensile loads. Simple design allows for easy tool redress. The Top Sub is designed to accommodate 2-3/8″ and 2-7/8″ Elevators. The Bottom Nipple has 2-3/8″ EUE threads and a crossover to 2-7/8″ EUE to accommodate either thread.