JDV's CW737 can wrench features a 3/8" black finish and 7/16" chrome finish hex end for opening telecommunication cabinets, pedestals, placing fuses in cable terminals, connecting wires to fuses, and for tightening nuts on binding post terminals. The walls on both sockets are thin enough so it can be used to work locking levers on most terminals and cabinets. Constructed with a high-quality plastic handle, this tool has an overall length of 7".