No more annoying, time-consuming air-down ritualsTeraFlex makes the process easy with a wheel-mounted deflator that’s adjustable, preset, and built for durability, precision, and TPMS compatibility. This universal, wheel-mounted tire deflator kit makes off-road air-downs fast, reliable, and pressure-customizable. Each deflator fits most standard valve stem holes (.453″ diameter) and is precision-machined from hard-anodized 6061-T6 aluminum for long-lasting durability. Operation is completely tool-freejust twist the deflator to air down. Pressure is adjustable between 828 PSI, and once set, it remains consistently accurate with repeated use. The 2.25″ body length easily clears full-float hubs. Rugged, easy to use, and TPMS compatible. Kit Includes:- Four (4) tire deflators- One (1) adjustment tool Fits most wheels with standard .453″ valve stem holes .670″ outer diameter fits common valve stem bores Tool-free deflation to preset pressure Adjustable pressure ranges from 828 PSI Built from 6061-T6 aluminum for strength Hard anodized for increased durability and wear resistance Compatible with standard air chucks for inflation Built-in TPMS sensor mounting provision 2.25″ length clears full-float hub designs Fits:Most Wheels with Standard Valve Stem Hole (.453″)