Outside Diameter 11″ +0.00″ – .03125″ and 12″ +0.00″ – .03125″
Material thickness: 1/2″ Square tube, 1/4″ rolled brass ring, 1/32″ spun sleeve
Finish: Raw Brass
Sleeve Height : 1.0937″ +.03124″ -.03123″
Note: The Tube-a-phone will add .78125″ to the total height of your rim. Total height of spun sleeve is 1.09375″ +.03125″ -.03125″. It is recommended that you fit the tone rings individually with a caliper as the sleeve height and overall diameter can vary slightly due to being hand spun. The sleeves are guaranteed not to be over 11″ and 12″ so they will fit flush with the outside edge of your rim.