Product Information: One wrench for five-sided bolt heads, T-handle, wrench tool for pad-mounted transformers and secondary bases Wrench size: t-handle length: 5.69 inches, width: 3.73 inches; socket inside diameter length 0.97 inches, outside diameter length: 1.25 inches. A little error in manual measurement is normal. High quality water meter wrench: the wrench is made of high quality carbon structural steel material, strong and wear-resistant and durable, not easy to bend and break Use: pad-mounted transformers, secondary bases, utility equipment, etc., including curb box covers and access to protective shut-off valves Easy to use: simple to use, perfect tool for linemen and utility workers, wear gloves to protect your hands before installation