Schluter Matte Black RONDEC Bullnose Aluminum Trim, 5/16" x 8' 2.5" a durable and attractive finishing solution for tiled edges and outside corners. Featuring a symmetrically rounded profile, this trim protects tile edges from chipping and enhances the design by allowing for seamless color coordination with tile and grout. Made of color-coated aluminum, the RONDEC trim integrates an anchoring leg that is secured in the mortar bond beneath the tile for secure installation. Accessories such as inside and outside corners, sink corners, and end caps are available to complement the trim for a complete design. Model Number: RO 80 MGS