Ideal for use in areas at risk for damage from static electricity from workers before it can be passed on to sensitive equipment with microprocessors or to flammable liquidsMade for workers wearing insulated shoes, the Heel Grounder allows static electricity to pass from the worker to the ESD matting or flooringSurface prevents the accumulation of static electricityUse with all ESD and conductive matsNitricell® sponge base provides superior comfort and productivitySolderless terminalMolded-in fastener has an integral one-megaohm resistorWill drain electrical charge of 20,000 V in less than 1 secondThis mat must be grounded; for maximum effectiveness, ground every 8' to 10'Conforms to 10 mm snaps9/16" thick3-YEAR WARRANTY