This water meter pit lid/valve key is crafted from 630 stainless steel using casting and heat-treatment processes, ensuring high strength and hardness. It is a multifunctional tool: the two ends are designed to open water meter pit lids (compatible with 1-1/16"" large pentagonal and 7/8"" standard pentagonal lock heads), while the other end is used to operate water meters, curb valves, or shut-off valves with drain functions. A tether/clip is included for convenient carrying and storage. Dimensions: large pentagonal outer diameter 1.5"", standard pentagonal outer diameter 1.26"", and valve operation end 1.38"" x 0.75"". Please verify the size of your pentagonal lock head before purchasing. Weight: 1.32 lbs.