Universal Fit - Flag Pole Ball Top Finial Ornament fits 20 ft, 25 ft, 30 ft pole with 1/2' diameter screw thread for decoration Solid Construction & Unique Appearance - Made of durable & corrosion resistant plastic; Silver color makes the flagpole more particular Easy Installation - No tools needed, just screw the ball into flagpole easily in minutes Combination Recommendation - This silver ball finial will perfectly fit our flagpole model Overall Dimension(Dia.xH): 2 11/16' x 4 5/8' (6.9 x 11.8 cm)