The Mini Tire Gauge Key Chain is a compact and practical tool for checking tire pressure on the go, with a max reading of 50 PSI. Made of durable aluminum, it features a convenient split ring attachment that easily connects to your keys or bag. Available in metallic blue, red, silver, or black, this customizable key chain makes a great promotional item for auto shops, car dealerships, and safety events. Keep your brand visible while helping customers stay road-ready.