●Tip parts such as impact drivers and electric drills ●Polishes surface only without damaging the substrate ●The nylon fiber is soft and soft to polish and conform to curved surfaces ●Metal Rust Remover Wood surface cleaning ●Finished in stainless steel and aluminum. Hairline ●Shaft Diameter: Hex 0.25 inch (6.35 mm) ●Polishing part: φ2.0 x 1.0 inches (50 x 25