Desco 07560 foot heel grounder has outer conductive layer (10^5 ohm resistance to top), inner non-marking neoprene layer reinforced with 4.3 oz. polyester mesh scrim layer. 0.06 Inch thick, 1-1/4 Inch wide contact area. 30 Inch long, 3/8 Inch wide, 8 string black conductive ribbon. 3/4 Inch double sided hook and loop material, for quick and easy attachment to foot. 1 megohm series resistor to protect operator from accidental contact with equipment line voltage. Date coded. Provides lot traceability to ensure quality control and tracking information. - Extra-wide contact area. Additional surface area allows for a better path to ground. Tear resistant rubber with inner scrim. Reinforced material prevents tearing - increasing the service life of foot grounder. Hook and loop stretch hook and loop fastening system. Size adjustable material expands to fit most shoe sizes comfortably and flex during walking. 30 Inch long, 8 conductive strand nylon polyester grounding tab, additional conductive material provides reliable connection with operator's sweat-layer. Non-marring interior layer will not mar operator's shoes.