The Gordon Brush 499S9X is a static dissipative applicator brush that has a 1/2" diameter, 0.010" static dissipative Nylon bristle, and a static dissipative acetal handle. The bristles are epoxy-set with a high-temperature resistant adhesive that allows this brush to be sanitized in an autoclave. These brushes are ideal for cleaning static sensitive or potentially explosive areas where an ESD (electro-static discharge) event could damage electronics or cause an explosion. This high-quality brush has a 1" trim, a brush face diameter of 1/2", and a handle length of 4-1/2" x 1/2".