Anyone know where I can get the plastic cap things that go on the bedrails? My dogbox is rubbin the paint off in some spots.

Thanks

89' pickup 4 inch rough country suspension 31x10.50 dick cepek fc2s 15x8 ion alloy 174 series wheels+ glenns over the rail dogbox,mega 4 tracking unit,cb and private band radio, 2 6x9 speakers and over 15 deer a year put on the back!