White Heavy Duty Internal Halyard Retainer Ring fits a 12 in. diameter pole and is used for securing the bottom of the flag arrangement to the flagpole. Assembled with 1/8 in. diameter AISI304 stainless steel aircraft cable with a tensile strength of 1,408 pounds, 1- and 2-in. diameter white nylon balls, stainless steel yokes and copper crimps. The varying sizes of nylon balls aid in lowering the flag on sectional steel poles.