C1 Small Collar with set screw for the 5/8" (16mm) round balusters. These are small collars that can be used to enhance the 2GR01 Plain Round Balusters. Available in a Satin Black Powder, Antique Brass, Antinque Nickel and Antique Copper Powder Coatings only. Shipped 25 pcs to a box. Broken carton, or odd amounts okay without upcharges.