【Size】: Cornet piston spring is 4cmx9mm in size, 1cmx4mm in cork pads size, 1.8cmx1.1cmx3.5mm in trumpet valve guide size. 【Convenience】:Trumpet Valve Spring Felt Washers Cork Pad Set is simple and convenient to install and use.
VINTORKY 15Pcs Trumpet Rubber Rings Replacement Set O-Type Slide Stopper Bumper Rings for Trumpet Repair Accessories Music Instrument Maintenance
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