The 210S-H four star ESD-safe (8-11 ohms/sq) straight tip instrument cleaning brush with horse hair bristles is designed for general cleaning in tight areas.
The handle is 0.25" in diameter, with a tip size of 0.13" wide and 0.19" long.
The fibers are mechanically clamped into the stainless steel tube and inserted in the acetal handle.
These brushes are used for scratch-free dry brushing.