The SCS 2051 Burgundy Heel Grounder with Dual Cup, 24 in. Conductive Ribbon is designed to effectively ground mobile personnel when they are in contact with conductive and dissipative flooring. The conductive, no-slip outer sole provides a reliable static ground. The function of the shoe grounding assembly depends upon contact with the skin through perspiration in the shoe to sustain an electrical contact between the conductive ribbon and the body. The 2051 comes with a 1 Megohm Resistor. Meets category ESD SP9.2 Type A.