This applicator brush has anti-static horse hair bristle and a chemical resistant, non-magnetic, lightweight aluminum handle. Constructed with strong mechanical clamping for maximum fiber retention, and contains no adhesives that can leach out and contaminate work areas. Ideal for applying rosin or ammonium chloride flux, glue, lubrication, and other coatings or using for small-area cleaning and the removal of debris. 1/2" trim, and a handle length of 4" x 1/4" diameter