SCS 8200 Series 3-layer dissipative vinyl floor mat, top layer is durable static dissipative vinyl, which has sufficiently low resistance to discharge static-laden conductors, yet will help prevent the shorting of pins on the backs of printed circuit boards laid on the mat. - SCS 8200 series floor mat with a unique 3-layer construction, middle layer is a highly-conductive scrim that provides the main discharge path to ground, and the bottom layer is static-dissipative foam, providing a durable nonskid cushion, Includes one 15 ft ground cord 3040 and two female snap fasteners 3050 (installed).