RH-1502BP… Brass ball trunk corner. Very large brass plated steel trunk corner. Thick heavy duty, super nice piece of trunk hardware. Overall dimensions are 2.5″ x 2.5″ x 2.5″ with six mounting holes that are .196″ in diameter. 14 gauge steel that has been brass plated. A ball corner is designed to allow a square cut trunk corner to fit without having to round off the edge of the wooden trunk corner. Sold individually.