ITEM NAME:4 Set Tyre Deflators Anti-rust Tire Pressure Deflators Waterproof 6-30 PSI Description: 100% solid brass make to prevent rust or corrosion. It can be custom adjusted between 6 to 30 PSI in 3 psi increments to suit your specific needs. Air immediately releases from tyre once screwed on, stopping at present pressure level No tools required, just screw on & off by hand. It can be used on any standard tyre valve stem. Specification: Brand New and Highly Quality Package Quantity: 4 Pieces Car Tyre Valve Core Material: Brass Length: 30mm Out Diameter: 16mm /0.4inch Color: Gold Package Includes: 4 Pieces Car Tyre Valve Core SKU: DMO0020460552036782.It can be used on any standard tyre valve stem. 4 Pieces Car Tyre Valve Core. 100% solid brass make to prevent rust or corrosion. No tools required, just screw on & off by hand. Color: Gold.