These are unquestionably the finest brushes available for developing latent fingerprints. Thousands of specially selected fiberglass filaments form a cloud-like, soft cluster that retains powder and eliminates the constant powder replenishment required for conventional brushes. They are produced on a perfectly balanced, black, injection-molded handle for the ultimate in control. The brush is supplied in a protective container and cap. This standard sized brush measures 4 1/4” long.