Koolgrips - 8' X 1.90" Diameter Rail Cover Royal Blue In the heat of summer, metal handrails can heat up faster than your pool itself, making it uncomfortable or even painful to enter or exit your pool Keep your swimming experience cool and comfortable with Koolgrips. The Koolgrips "Kool Comfort Cover" provides a slip-resistant grip for your railings. Fits up to 1.9" diameter ladders and hand rails for a tight fit.