Reduced stress on polish rod coupler, preventing costly polished rod back-off and potential loss of well control

Ability to install downhole above BHP to allow pullstroke/plunger to rotate freely within BHP reducing chance of seizure in wells with downhole sand/scale issues. Able to extend BHP life in adverse downhole environments.

Decreases downhole torque to the sucker rod string

Simple robust design ensures durability

Provides even wear on the polish rod and uniformly on stuffing box packing for longevity