Milliard Pool Corner Brush Vacuum Head, Great and Safe for Cleaning Small Debris and Algae from Pool Corners and Stairs/Steps Angled at 45 to present the vacuum head in an ideal position for cleaning hard to reach crevices between floors and walls Stiff nylon bristles are effective against stubborn algae buildup Safe to use without damaging vinyl liners or painted surfaces. Made from ABS plastic to be durable and long-lasting. Most effective for small debris, Extremely effective at cleaning pool stairs