Adjustable Wrist Band Set. The anti-static wrist strap in this set is designed for user comfort whilst wearing for long periods of time and provides superior contact through the metal band insulated with plastic. The exterior surface of the ESD wrist strap is insulated with the interior surface being conductive and, furthermore, the wristband can be adjusted to fit most people simply by adding or removing snap links as required. The wristband features a 4 mm snap stud which fits the 4 mm socket snap of the included coiled grounding cord. The other end of the anti-static grounding cord is moulded with a 4 mm standard banana plug .