Cure-It, wire brushes fit your FS350, FS390 Series, scarifiers, planers or self-propelled or truck mounted scarifiers trucks with a 1-1/2 drive shaft. Select this style when you want to remove curing compound, oil and grease deposits caked dirt or flaking paint while protecting the substrate. Lasts up to 2x longer than competitive cutters. Best to use wire brushes with an up-cut rotation for longest life and best removal action.