Brass Tyre Deflators 4pc

Automatically deflates tyres down to 6psi
No tools required
Simply thread onto valve stems & walk away
Adjust to desired psi & tighten lock ring
Immediately releases air from tyre once screwed on
Adjust tyre pressure from 6-30psi
Disassembles easily for cleaning out sand or dirt
Built in manual start/stop valve
Made from 100% brass to eliminate rust
Compatible with standard Schrader type valve systems
Saves time over manual deflation