The MG-1440 heel grounder has a static dissipative vinyl cup that will not mark shoes or flooring. An elastic Velcro fastener keeps the grounder securely and comfortably on the foot. Due to the higher resistance of the vinyl material a resistor is generally not required. Note: foot grounders with the blue dissipative cup material have a higher resistance than those with black cup material. User-to-ground resistance in the 108 range can be expected.

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