Cheston Drill Brush Set comes with 3 scrubs of different shapes and sizes excellent for indoor and outdoor application. Remove unsightly hard water stain from showers, toilet, sink, or tubs. Reach every nook and cranny in the kitchen with 3 varied shapes to choose from and a flexible shaft. Can dust out dirty carpets, rust from machine tools, and will not scratch most surfaces. No corner grime is safe from these brushes! Scrubbing and cleaning applications including: tile and grout, sinks, tubs, shower enclosures, flooring and carpets, sofa. These drill brushes will become some of your most used bathroom accessories as you start cleaning faster and easier than ever before. This kit includes a drill brush for every application. It contains a yellow 2 inch hollow brush drill brush, a yellow 3.5 inch toilet brush, a 4 inch yellow flat tile cleaning brush with varying bristle lengths that will work great in corners and tight spaces. The extended reach attachment allows you to hold the outer shell for precise control while the shaft spins inside. This design is superior to bare extender rods that cannot be controlled at all. These nylon bristle brushes will not scratch and can be used on tubs, sinks, baseboards, fiberglass shower enclosures, shower door tracks, and porcelain. All brushes and the handy extension use the quarter inch quick change connection for rapid changing of components. All 3 brushes are using same 1/4 inch shaft for change quickly to most of the drills.