The Milton S‑921 is a precision‑machined, heavy‑duty pencil‑style tire pressure gauge designed for everyday passenger vehicle maintenance. Built from nickel‑plated brass for enhanced durability and resistance to corrosion, this gauge provides long service life and dependable readings. Its 5–50 PSI pressure range makes it ideal for standard car, light truck, and SUV tires.
Featuring a single‑head air chuck, built‑in deflator valve, and an easy‑to‑read 4‑sided nylon indicator bar, the S‑921 allows fast, accurate, and battery‑free tire pressure checks. Its compact, pocket‑friendly design with an integrated clip makes it convenient to keep on hand in a glove box, toolbox, or shop apron.