Made of brass, the 50120 Tank Gauge offers an easy way to keep an eye on your fuel tank. You don't have to be concerned about whether or not your gas will cut off in the middle of grilling, as our tank gauge will make it readable for you! With three modes, you'll be able to see if your gas is full, low, or in need if a refill. It also comes with a built-in leak detector to ensure your safety while using your grill! Reliable and sturdy, our Gas One propane tank gauge will take make sure that you're always aware of your fuel levels. Product Weight: 0.38 lb. Inlet: QCC (ACME) Fitting: 16.4 oz (1 lb.) Propane Tank Fitting Material: Brass Description: - Save Money and Reduce Waste by Refilling! - Made to Last with Hight Quality Brass - Air Tight Fittings for a Secure Connection - Useful in Emergency Situations! - Ready for Use Right Out of the Box