YAMAHA silver-finished trumpet mouthpiece with a wide-rim design for a rich tone. - Brand: YAMAHA - Model: Trumpet Mouthpiece - Color: Silver - Material: Metal - Inner Diameter: Wide Rim This is a YAMAHA trombone mouthpiece "SL-48S". It is for small-bore trombones (small shank) and has the following features: It has a very well-balanced rim and cup, making it suitable for all-around use. A highly refined model that meets the advanced demands of professional musicians. The inner rim diameter is 25.25mm. The throat diameter is 6.62mm. This item was found during decluttering and has been used, so it is old. The box says 6800 yen. Please consider purchasing with the understanding that this is a used and stored item. Search terms: Trombone Musical instrument mouthpiece Orchestra Musical instrument Performance Music Thank you for viewing.