WHITE Pool Fence Deck Sleeves for use in a core drilled hole 1 1/8 inch diameter hole x 4 inches deep. 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. CAPS NOT INCLUDED! SLEEVES ONLY! AVAILABLE IN QUANTITIES OF 5 / 15 / 30 AND 60!