8pcs. Decorative Black Box Corners with Screws Make a great accent for crafts, furniture & more - also perfect for cigar box guitars Matching black screws included for mounting (2 screws per corner) File a little material (about 1/16") off of sharp corner points to allow these corners to sit flat! Shiny black oxide finish over a steel base Corners have 1 1/4" (31.8mm) long sides, a crimped back, and are about 1/2" (12.7mm) deep