Kemp USA carries three (3) varieties of 18″ pool brushes. These brushes come with an Aluminum back reinforcement that can be used with any standard pole. If you are looking for a smaller steel brush, we carry a 10″ brush as well (item # 21-001-10) NYLON bristle brush is perfect for walls, tiles and corners. Most common brush for frequent use to remove debris and light algae. This brush is best for pools with liners. NYLON / STAINLESS STEEL combination brush is a mixture of stainless steel and nylon bristles. For occasional use only when you have stubborn algae. Cannot be used on pools with liners.