The Dunn-Rite Products Inc ANCHOR3 4.5" White Finishing Cap for Pool Anchor Point is a component made to cover compatible pool-floor anchor points when not in use. This fitted cap is designed to provide a smooth, covered finish when compatible-system in-pool volleyball poles are removed. protecting the interior of the anchor(s). Made of durable plastic, this cap resists wear, tear, and pool chemical exposure for trustworthy performance.