This static-dissipative brush has stiff 0.016" static-dissipative Nylon fill material set within a conductive polypropylene plastic handle. Ideal for light-scrubbing or whisking applications near sensitive electronic circuity or in potentially explosive environments. The handle is 4" long x 3/8" wide x 1-1/4" high. The static-dissipative Nylon bristle has a surface resistivity of 10⁹Ω/cm. For other brush size options in this series using static-dissipative Nylon, see parts: 900437ESD-010, 900183ESD-010, 900183ESD-016.