Flat Shoe for 1/2" sq. metal stair balusters (spindles). The base of this shoe is approximately 1-1/4" square. The shoe has a set screw in the side. All shoes are made from cast aluminum and powder coated to match the metal balusters unless otherwise noted. Shoes have one set screw in the side. These shoes are NOT designed to be used with plowed shoe-rail or plowed handrail. They are designed to go down onto a flat surface or underneath flat bottom handrail.