The M-216CKIT is a can wrench security Key Kit. The M-216CS22 can wrench designed for universal access to telephone boxes and pedestals. Built-in wire stripper with two slots, one for the outside jacket of a four wire quad and the other for 22AWG wire. Open telephone box fasteners and tighten nuts on binding posts. Black oxide finished 7/16-inch socket, zinc-plated 3/8-inch socket, thin wall design for tight access and 1-1/4-inch socket depth. The SK-51632 security key insert designed with a double-ended hex adapter for two sizes of pin-in-head security fasteners. Simply slip the key into the 3/8-inch side of a can wrench and you are ready for either a 5/16 or 5/32-inch hex security screw. This is a reversible insert tool. One end is for SLC Cabinets and the other is for most network interface boxes.