Designed to fit over long binding posts, this Jonard Tools Ergonomic Can Wrench is the perfect tool for opening telephone box fasteners and tightening nuts on binding-post terminals. This tool features a 7/8" diameter impact-resistant thermoplastic handle that is ergonomically designed and color-coded orange. Thin-walled sockets access tight spaces, such as locking devices on terminals and cabinets. The total length is 7" with 1.25" deep sockets to fit over long binding posts.