The WA12N is a Flux Brush. This small upright brush has 0.012in Nylon bristle and a hardwood handle. This quality brush works well for getting into tight areas.
Gordon Brush WA12CK ESD-Safe Flux Brush Hog Bristle - Comtrade Store
Gordon Brush SST10HH Applicator Brushes (Stainless Handle W/ Horse Hair)
Size 1/8 Chemical Resistant Ox Hair Flat Brush 0689-00012
Small Upright Brush - Upright Brush Manufacturer - Gordon Brush
4039002 - Galaxy™ Flat Brush w/Nylon Bristles 1-1/2 - White
Gordon Brush WA12CK Flux Brush (Hog Hair)
4039002 - Galaxy™ Flat Brush w/Nylon Bristles 1-1/2 - White
30712 - Oatey 30712 - 1/2 x 6 Solder Flux & Acid Brush
1 x 11 Row 0.003 Brass Wire and Aluminum Handle Hand-Laced
Gordon Brush SST12CK Applicator Brushes (Stainless Handle W/ Hog Hair)
Gordon Brush SST12CK Applicator Brush (Hog Hair)
Carlisle Flo-Pac® Vehicle Wash Brush w/Polystyrene Bristles - 9