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The KJB Security Products KJGPS817 Kit is a replacement for the H4100 Tracking Key. It features all the components of the H4100 such as the track key, rubber gasket, 2 magnets, and a rubber cap. The kit provides a replacement in case the H4100 Tracking Key were to break if taken apart or to replace worn items.
In the Box
KJB Security Products KJGPS817 Replacement Kit for H4100 Tracking Key