The 4620 is a blue wrist band from the 3M 4600 Series, equipped with a 4 mm stud for connecting a grounding cord. It consists of a molded insulative thermoplastic exterior with an integrally molded conductive interior insert. The band is lightweight and features a "zipper" style latching mechanism, allowing it to be easily adjusted to fit wrist diameters from 1.7 to 2.7 inches. For enhanced user comfort, the conductive interior has a "comfort bumps" design to provide airflow between the band and the skin. This durable and cleanable wrist band offers a cost-effective and reliable solution for grounding personnel in electronics manufacturing and handling environments.