Atlasta SoftTip (AS101) Auto Detailing Brush (9.75 Inches, 4.3 Ounces) For Interior Vents, Seams, Knobs And Buttons. Exterior For Wheels, Window Tracks, Grills, Emblems Innovative, bullet-shaped tip focuses the cleaning power for tight spaces and hard-to-reach spots Interior - cleans vents, cup holders, radio and window buttons, upholstery seams Exterior - cleans wheels, lug nut recesses, window tracks, grills, emblems Soft tipped Trialoy polyester filament won't mushroom. For petroleum- or water-based cleaners This is a professional tool made in the USA. Only the filament is imported