The 10-252 is a No. 2 acid brush designed for cleaning and applying coatings with solvents and other chemicals. It features a 7/16" bristle width and a 6" overall length with tin-plated steel handle and medium-fine horse hair bristles. The brush is economical enough for single-use applications or can be reused repeatedly with cleaners such as Freon TF, Chlorothene, and Flux Solv. It is well-suited for dusting keyboards, optics, and other precision applications where gentle cleaning is required. Each package contains 4 brushes, making it ideal for both professional and hobbyist use in electronics maintenance and cleaning tasks.