Rhino-Rack 2500 Leg Spacer - 10mm - 2 AdaptorsThe RLKS1 spacer blocks are used to level a 3 bar roof rack system on a vehicle such as a pickup that may have rear posts or a cap topper rack system. Attached between the Rhino Rack 2500 leg and either a Rhino Rack Heavy Duty or Vortex cross bar, this set of spacers will raise the cross bar 10mm in height. This Part Fits: Year Make Model Submodel 2013 2021 Nissan NV200 S 2013 2021 Nissan NV200 SV 2014 2019 Nissan NV200 Taxi