Phillips gripSTIK® 3/8″ bullnose (mini) is great for accenting detail in niches, layers, outside corners, windows, and other areas. This product features a 3/8″ bullnose radius and can be installed like regular corner bead; no special drywall preparation is required. Flanges feature many perforations, deeply knurled mud anchors, and the entire product is specially textured which all greatly enhance paint and mud adhesion.