BSC Brass Sound Creation / HIGH SPEED VALVE SPRING VS 11 (Piston Spring for Trumpet) Maintenance supplies The wire is thick and

The wire is thick and gives a weighty feel

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BSC Brass Sound Creation / HIGH SPEED VALVE SPRING VS 11 (Piston Spring for Trumpet) Maintenance supplies The wire is thick andBrass Sound Creation (BSC) High Speed Valve Springs [VS11] V. Bach (backing) As the name "High Speed Valve Spring" suggests, it has an amazing effect in producing fast piston movement with ease. The key feature of this product is that it allows for fast movement while still providing little resistance to the piston, and in fact feels light. This new model uses a special material that is resistant to rust and corrosion. For trumpet. Pack of 3.