They are most commonly used on automobile and bicycle wheels, but also for many other applications .
On many refrigeration and air conditioning systems to allow servicing, including recharging with refrigerant.
By plumbers conducting leak-down pressure tests on pipe installations.
As a bleeding and test port on the fuel rail of some fuel injected engines.
Material: Copper
Dimensions: 10.3x1.3cm/4.06x0.51inch
Color: Gold
Quantity: 10 Pcs/set