Clearance 2 1/2 to 3 11/16 inches. Finish: clear vinyl. Kirsch's new decorative Metal Accessories can transform the everyday into an expression that is unique and personal. Medallions and Knobs, Holdback Extensions, End Caps and Swivel Sockets ... can function alone or"pleasant harmony with other Kirsch collections like Estate Ultra and Studio Coordinates. Six designs, five finishes, unlimited possibilities.