The different wirebrushes have different type bristles (stainless steel/copper/nylon) are especially designed to clean narrow spaces and are suitable for many different surfaces such as blender blades,stove,grill,batchtub,3D prints,sewing machine cabinet,upholstery or other delicate household appliances. Automotive repair and parts restoration,clean the steel plunger grooves,car battery terminal, motorcycles parts,spark plug,cable connections,brake,engine,hydraulic cylinder with solvents. As the bristles have good chemical resistant property. Refurbish a concrete garden statue.The brushes were small enough to get into all the tight spaces where paint and debris had accumulated. Repair a crack in the stucco and clean up any debris and loose stucco inside the crack for a clean prepare.