Weiler - 3/8″ Wide Horsehair Acid Brush - 82071721 - MSC Industrial Supply

Acid Brushes - MSC Industrial Supply

AES Industries 3/8 Wide Pure Horsehair Acid Brush

Weiler - Wheel Brush: 4″ Wheel Dia, Knotted - 03597283 - MSC

Made in USA - 3/4″ Long x 3/8″ Wide Horsehair Acid Brush

AES Industries 3/8 Wide Pure Horsehair Acid Brush

HDX Acid Brushes (3-Piece) 80-721-111 - The Home Depot

1/2 in. Horsehair Bristle Acid Shop Brushes, 36 Piece

Weiler - Wheel Brush: 7″ Wheel Dia, Crimped - 03597036 - MSC

Acid/Flux Brush, 3/8 in Brush, 5-3/4 in OAL, 3/4 in Horsehair Trim

Acid Brushes - 36 Count 3/8 Inch Horsehair Acid Flux

Horse Hair Paint Brush