Oben Round Rubber Rings (2 Pieces) for Tripod Center-Post Collar

These Round Rubber Rings (2 Pieces) for Tripod Center-Post Collar from Oben are replacement rings that serve as dampers for the center-post collars of the Oben AC-1320, AC-1420, AT-3420, CC-2320, CT-2320, CT-2420, CT-3420, and CT-3520 tripod models. They absorb the shock when the center column is retracted quickly, protecting your mounted gear from damage.