1AB - CRL 6" Disposable Acid Brush - 24/pk
The CRL 6" Disposable Acid Brush is for applying primers, acids and flux, they are six inches (152 millimeters) long, with a 3/8 inch (9.5 millimeter) round rolled steel handle and 3/4 inch (19 millimeter) long stiff horse hair bristles.
Natural Horse Hair Bristles | Applies Acids, Primers and Flux