Feedback Sports Repair Stand Pro Collar Bushing Description: The Feedback Sports Repair Stand Pro Collar Bushing is a factory replacement part for various Feedback Sports portable repair stands. Part of the junction between the lower and upper vertical tubes, this collar bushing ensures a smooth vertical adjustment of the rack and lateral stability when work is being performed. Features: Rugged composite construction is weather and wear resistant to ensure a long useful life Designed to fit Sport Mechanic, Ultra Light, Classic, and Pro Elite portable repair stands