856 - Double-Ended Horse Hair Cleaning Brush

https://www.mgchemicals.com/products/electronics-maintenance/cleaning-brushes/double-ended-horse-hair-cleaning-brush/

An inexpensive double-ended cleaning brush made from short natural horse hair bristles with a cad-plated steel handle. Ideal for heavy-duty scrubbing. One end is chiseled to clean hard-to-reach or tight corners, and the other end is straight for precision cleaning and coating.

Features & Benefits
Stiff cad-plated steel handle
Secured natural horse hair bristles eliminates bristle loss and contamination
One end chiseled
4 ½” handle
1/4” / 3/16” trim lengths
1/4″ x 5/16” brush face