High-precision mouthpieces made with the latest computer-controlled machining equipment. Smooth attack and easy control. We offer a diverse lineup to suit each individual's style. SL-48L: Excellently balanced rim, narrow back to the cup, and bore. Highly refined and capable of meeting the demanding needs of professional performers. Rim inner diameter (mm): 25.25 Throat diameter (mm): 6.62 Trombone mouthpiece Standard series Large Shank Features High-precision mouthpieces made with the latest computer-controlled machining equipment. Smooth attack and easy control. We offer a diverse lineup to suit each individual's style. SL-48L: Excellently balanced rim, narrow back to the cup, and bore. Highly refined and capable of meeting the demanding needs of professional performers. Rim Inner Diameter (mm): 25.25 Throat Diameter (mm): 6.62 Please refer to the list below to find the perfect mouthpiece for you! Standard Series Large Shank List Product Number Rim Inner Diameter (mm) Throat Diameter (mm) Features SL-47L 24.98 5.85 48. It has a slightly smaller rim inner diameter and is highly durable. It can be used in a wide range of settings, from brass bands to orchestras, and has a rich tone. SL-48DL 25.25 6.62 The combination of the 48 rim and a slightly deeper cup produces rich bass tones. Its soft, rich sound quality makes it ideal for euphoniums. SL-48L 25.25 6.62 Excellently balanced rim, narrow back of the cup, and bore. This highly refined mouthpiece is capable of meeting the demanding requirements of professional performers. SL-51BL 25.23 6.9 251. It has a slightly shallower cup than the 51 rim, allowing for powerful playing. Also suitable for orchestral players and wind band euphoniums. SL-51DL25.247.1151 has a deeper cup, producing a rich, full tone. Suitable for advanced players who prefer a darker tone. SL-51L25.236.92 A slightly larger rim inner diameter and ample cup capacity produce a darker tone. A representative euphonium model with a wide backbore. SL-51C4L25.236.92 A slightly shallower cup than the 51 allows for loud, powerful playing. A rich tone across the entire range, suitable for symphony orchestra players. SL-52L25.657.1151 has a larger rim inner diameter and cup overall. A richer tone, suitable for advanced players with well-trained lips. SL-53L25.917.11 An extremely large cup produces a particularly rich mid- and low-range sound. This trombone offers a rich tone and is suitable for beginners to bass trombone. It has the same rim shape as the SL-54L26.157.1152, but with a larger inner rim diameter and cup overall. It's ideal for large orchestras. It also has a larger inner rim diameter and cup overall than the SL-55L26.357.1154. It can also be used for bass trombones, offering a rich tone. ■Management Code: 4960693152690 Category: Musical Instrument Accessories, Mouthpieces, Trombone Instruments, Crafts, Collectibles, Instruments, Equipment, Trombones, Trombone Mouthpieces JAN/ISBN Code: 4960693152690 Product Code: mt0030123