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JK French Horn Mouthpiece JK 3EM A1
Product Details
Thank you for looking.
This is a listing for a used JK French Horn mouthpiece.
I purchased it used and only used it for testing.
There are minor scratches.
Cup inner diameter (rim inner diameter): Approx. 17.0 mm
Throat (bore) size: Approx. 4.0 mm
Cup: U cup
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.



