The PE118ss Rocker Washer is designed for maximum cleaning of rocker panels, custom wheels and hub-caps. This rugged special duty washer system has unrivaled performance and service life. Its low profile 18-inch (45.72 cm) soft cloth is angled up towards the lower portion of the vehicles. This special angle allows consistent cleaning. As the soft cloth wears, the angle of cleaning remains the same. This allows the cloth to clean those hard to reach areas throughout the service life of the soft cloth. With a 304 Stainless Steel structure this unit offers you long life, strength and attractiveness.