KNB500011, KNB500013, KNB500070, LR040247, LR071295. Manufacturer Part Number LR071295. MPN LR071295. Reference OE/OEM Number KNB500011, KNB500013, KNB500070, LR040247, LR071295 ?. These secure into the socket at the rear of the chassis, but are removable when not in use.
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