Natural hair brushes are best used in sensitive electronic environments to prevent static build up or to insulative the brush from a piece of electronic equipment.
Natural hair brushes fall into two ESD categories: Anti-Static and Insulative. In these two categories, there are 118 brushes having a fill material of Goat hair, Hog bristle; Hog bristle/Horse hair; and Horse hair set into an aluminum, brass, plastic, acetal, stainless steel, zinc-plated steel, Tin, or wood handle.
Other selectable parameters include, trim length and brush face.