USHV-R1 Swivel bail extension

USHV-R1 Swivel bail extension is designed for increasing the bail length of VB-R1 drilling swivel, when placed in the jaw of the lubricator bail of the measure while drilling.

During operation, a complete pair of extensions is installed in the swivel body in place of the ends of the swivel, and the ends of the swivel bail are connected to the extension using fingers.