Trumpet Mouthpiece 【Color】Silver 【Size】7C 【Manufacturing】China ※This is a bulk product (simple packaging) and will be shipped wrapped in bubble wrap (no box). ※Although not visible in the photos, there are many scratches, so please be aware of this. (It's about the same as manufacturer products.) ♡For trying out before buying authentic mouthpieces like Back! ♡For practicing with just the mouthpiece! ♡For those who want to use multiple mouthpieces but have a limited budget! ♡Other models available: 1C, 3C, 5C, and 7C. ▼▼▼ #Click here for a list of trek's brass instrument mouthpieces ★Some people may feel a difference even with a slight variation in mouthpieces. Although the sizes are similar to Back mouthpieces, they are not exactly the same, so you can enjoy the differences. 【Size Differences (Please use as a reference)】 1C: Larger diameter, making it easier to produce low notes (all-around) 3C: Larger rim, producing a more vibrant sound (all-around) 5C: Lively and rich sound 7C: Brilliant sound (the most commonly used model, from beginners to professionals) #Click here for a list of trek's performer items [50217-1]