ITEM NAME:2pcs Propane Tank Gauge Level Indicator/Leak Detector for Propane Description: Compatible with all appliances with a QCC1 / type1 connection and up to 40-lb. propane tanks. Heavy duty brass construction withstands weather, scratching, denting and corroding. Monitors fuel level without removing the tank. Propane tank gas gauge easy-to-read dial and color coded dial for easy viewing. No tools required and easy to install with handwheel grip for tightening. Specification: Material: Brass Color: as shown in the picture Overall Length: Approx. 92mm/3.6" Package Includes: 2 Pieces Propane Tank Gauges Note: 1. (IMPORTANT) Professional Installation Is Highly Recommendedï ¼ 2. Please check the size measurement chart carefully before making.Propane tank gas gauge easy-to-read dial and color coded dial for easy viewing. Compatible with all appliances with a QCC1 / type1 connection and up to 40-lb. propane tanks. 2 Pieces Propane Tank Gauges.