All the brushes (3 in x 4.5 in) you need to get started. This money saving three brush kit contains: A brass brush (10 mm) for renewing base structure, opening pores before you wax (for this step brush in the opposite direction - tail to tip), and brushing hard waxes. A nylon brush (10 mm) that is the workhorse of wax removal. Designed to be stiff enough to remove wax in less passes to save you time. A soft, fine horsehair brush (8 mm) for removing wax from the fine structure of your base for the ultimate polish! Handy zippered storage case included. Case trim may be black or white. Each brush measures 3 in x 4.5 in.