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After long-term use, the trumpet  piston is prone to accumulation of dirt and wear, which can be repaired by this grinding rod.

Made of brass, highly wear-resistant and practical.
Small and flexible, easy to carry, very portable and convenient to use.
Stick hat with plum shape, labor saving when grinding.
Professional and practical design with beautiful appearance.

Main color: black+gold
Main material: ABS+brass
Item size: 92 * 14 * 14mm / 3.6 * 0.6 * 0.6in
Item weight: 52g / 1.8ounce
Package size: 125 * 80 * 30mm / 4.9 * 3.1 * 1.2in
Package weight: 54g / 1.9ounce

Packing List:
1 * Trumpet Piston Grinding Rod

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