Product Description Specifications The Quick Mount Vortex Spacer (10mm) allows you to space up the Rhino-Rack Vortex Bars to RLT600, RCH and RCL legs. Sold as a pair of 2 which fits 1 bar. Category: Engine Components>Hardware Kits - Other Core: N LTL: N MPN: QMVA10 Proposition 65: N Special Order: Y