Metal Needle/tuning Valve
100% brand new and high quality
Can fit 4mm(inner diameter) and 6mm(outside diameter) hose.
Ergonomically design, easy to install without using any tool.
Special metal-grinded surface, light weight, easy to operate.
Precise structure, to release CO2 by fine tuning.
Material: Metal
Size(L*W*H):4cm x 1.5cm x 3cm(approx)
Color:Silver
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