The SCS HGC1M Cup Style Heel Grounder, 1 Megohm Resistor, 24 in. Conductive Ribbon provides one grounding sole and an elastic strap around the heel. The re-positionable configuration of the HGC1M extends the life of the product and the elastic loop provides a secure and comfortable fit. This model offers a durable three-layer sole and a 24 inch conductive ribbon. 1 Megohm Resistor. Lot coded for QC traceability. Heel grounders are UL listed.