Rare Designed By Arnold Brilhart Hard Rubber tenor piece. This is made from the best hard rubber ever. It has curved sidewalls, medium-large chamber, almost no baffle. Tip opening measures 0.075″. Great for a cool jazz sound in a small space. moderate resistance and not much projection. Get your Stan Getz on. Or get this beautiful hard rubber Brilhart opened up more (has been refaced a little) to your favorite tip opening, and it will play beautifully.