RCR Race Line Design Gloss Black Stainless Steel Mesh Main Grille (14799-12-GBM-GBF-SBS) by Royalty Core®, 1-Piece. Installation type: overlay. Mesh type: 12.0 Sport. Mesh finish: gloss black. Frame finish: gloss black. Studs finish: satin black. Royalty Core’s RCR Race Line grille cultivates an overall stealth appearance with stainless mesh surrounded by a studded sleek grille frame with smooth lines. Royalty Core’s iconic stainless triple chrome studs, T304 construction, and race proven diamond mesh combine one killer RCR design to out-perform and out-last the competition.