Onyx: Slatestone Outside Corner: 5.17 lnft per box/ 4 pieces/ 2 right and 2 leftProduct Description: The Onyx Slatestone Outside Corner is made to finish exterior wall edges where two faces meet. The interlocking design keeps things tight and tidy, and the corners can be screwed straight into place without much prep. Each box includes four corners, two left, and two right, which helps keep your layout balanced. No paint, grout, or sealant needed. Once its up, it stays put. The dark onyx shade works well with both modern and