Get that perfect tone. The DAddario Reserve tenor saxophone mouthpiece D190 is a glorious mouthpiece with both exceptional intonation and dynamic flexibility. Ideal for a wide range of genres the Reserve tenor mouthpiece will wonderfully capture your desired sound and evenly respond across all registers. Inspired by prized mouthpieces of times gone by the Reserve tenor mouthpiece is the perfect combination of modern technology with a classic design. DAddario mills the Reserve mouthpiece out of hard rubber to ensure a high level of consistency. This sort of attention to detail is often exclusively used on much more expensive mouthpiece. Sculpted to perfection All DAddario mouthpieces are designed in conjunction with top engineers and professional musicians. Unlike other clarinet mouthpieces the D190 mouthpiece is milled from hard rubber rather than traditional moulding. By using precise computer-controlled milling machines enables all Reserve mouthpieces to be consistent allowing you to play with confidence. Specifications Material: Hard rubber Tip Opening: 1.90mm Tip Opening: 1.90mm Facing length: Medium-Long Chamber Size: Medium round chamber