Perfect for getting into those hard-to-reach crevices, the Carbon Collective Firm Bristle Detailing Brush Set was designed to get stubborn bonded dirt, grime and polish residue from gaps in panels and other awkward cracks and crevices.This handy set of four synthetic bristle brushes are stiff enough to effectively clean those hard-to-reach spots without damaging the surface or anywhere else you need scratchless agitation. Suitable for detailing work on motorcycles, engine bays, brake callipers, suspension, wheels or plastic interiors.Can be used wet or dryChemical resistantCan be used with cleaning productsFor interior or exterior useNon-scratch construction & materialsUltra-soft synthetic bristlesErgonomic designThis set contains 4 Firm Bristle Detailing BrushesNo. 10 210mm BrushNo. 12 220mm BrushNo. 16 230mm BrushNo. 18 240mm Brush