ACL Staticide Heel Grounders are ideal for personal grounding protection in Electrostatic Protected Areas (EPA). These exceptionally durable cup-style heel grounders are effective in providing a continuous path to ground between individuals and ESD-protected flooring. Adjustable straps allow a snug fit with most shoes and shoe sizes. Easy-to-wear and comfortable, heel grounders are available in two options. Staticide 8120 Economy Heel Grounder uses a 1-inch form-fitting elastic garter attached to a rubber sole for a comfortable fit Staticide 8122 Premium Heel Grounder provides added conductivity, strength, and longevity by using a rubber heel cup reinforced with stainless steel rivets. When submerged for 24 hours in salt water, metals show no signs of corrosion or rust.