■ Trumpet Mouthpiece Adapter Heavy Weight Booster with Hex Wrench Color: Gold ★ This is a trumpet mouthpiece adapter purchased from an online shop. ★ The manufacturer is unknown as there is no marking. ★ Weight is approximately 99.5 grams, and it is the type that is fixed to your mouthpiece with a hex wrench. ★ Almost unused, with no dents. There are some minor scratches and dullness of the plating. ★ We cannot guarantee against damage to the mouthpiece due to overtightening the hex wrench, so please be careful to tighten it with moderate force and install it at your own risk. ★ The mouthpiece is for the image only and is not included (images 5-6). ★ It will be disinfected with alcohol and packaged. ★ It will be shipped via Yu-Yu Mercari Mail from the post office.