Through the high speed rotation of the electric drill to save time and energy. Features: Medium stiffness nylon power brushes that will attach to your favorite cordless drill. Round shape brush for cleaning around your bathroom surfaces. The nylon bristles will not scratch and can be used on tubs, sinks, baseboards, fiberglass shower enclosures, shower door tracks, and porcelain. This brush have quarter inch quick change shafts, cordless drill not included. Specifications: Material: nylon Color: yellow, red, green, blue (optional) Package size: 15 * 9 * 9cm / 5.9 * 3.5 * 3.5in Package weight: 45g / 1.6ounce Package list: 1 * Brush