HIGH COUNTRY PB-6 PLASTICS POLE BENDING BASE SET OF 6. HOLLOW DESIGN MEANS THEY'RE LIGHTWEIGHT AND PORTABLE. 1-1/2"" BOTTOM PLUG IS EASILY REMOVED TO FILL THE BASES WITH SAND PRIOR TO USE. DURABLE IMPACT-RESISTANT POLY CONSTRUCTION WON'T SHATTER OR BREAK FROM BEING STEPPED ON. BLACK COLOR. SET OF SIX AQHA APPROVED POLE BENDING BASES.