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 hex shape on the exterior of the sockets that can be used with a wrench to maximize torque. The 7/8" diameter impact-resistant thermoplastic handle 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.