Pack of WHITE Pool Fence Caps and Deck Sleeves for use in a core drilled hole 1 1/8 inch diameter hole x 4 inches deep. Will work with 1 inch aluminum poles. Fits most 1 inch holes standard in sleeves. Will NOT work with 1/2 or 7/8 inch diameter holes. UV Rated for outdoor use to protect against brittle and breakage. Held in place with friction no need for glue or adhesive. Tapered top for Pool Fence poles to sit firmly in the hole. AVAILABLE IN QUANTITIES OF 13 OR 25 ONLY!