Our static brush assembly is designed to neutralize positive and negative static electricity on sheets leaving the exit shafts of Stahl folders. These self-energizing, induction-type eliminators require no external power, ensuring spark-free operation. Mount easily to the frames of most Stahl folders ranging from small to large format machines. Includes wire that should be connected to a ground for proper removal of static charge. See part # UP4385 for replacement brushes.