Big Horn 13022-1/2 Inch Width Flexible Natural Hair Bristle Tin/Metal Tubular Ferrule Handle Acid/Flux Brushes. Permanently bonded natural hair bristles. Disposable Shop Brushes are an economical tool for Hobbyists and professionals, When applying a variety of materials such as Glue, Acid, Flux, Oil, Paint, Paste, Grease, Pipe dope, Zinc primer, for either Soldering, Touch-up, Dye, Spreading, Dusting, Cleaning, Arts & Crafts, Woodworking, Woodworking projects, applying Wood Glue, Epoxy Glue, Epoxy hull repairs, Cleaning tasks, working well on epoxy resin projects Or any other general-purpose applications.Features: Perfect for applying wood glue to small areas like shelf joints and dado slots. Also great for Acid/Flux application and removal, apply Flux for rosin-core solder Wipe away Tarnish and apply Tarnish-Removal Chemicals/Creams. For dabbing into squeaky hinges. Apply Grease to old vehicle guts. Brush seam sealers in auto body applications Spread dielectric grease, and caustic materials. Easy reach corners and get into/between all the pins & tight nooks and crannies. Smear oil on everything everywhere, clean oil and chips after machining or drilling some parts Apply Naval Jelly and works well for applying Frog lube to guns. Handy for removing dust from places you can't reach, Brushing the dust off computer fans/heatsinksApplications: For Acid/Flux application and removal, apply Flux for rosin-core solder Wipe away Tarnish and apply Tarnish-Removal Chemicals/Creams For dabbing into squeaky hinges Apply Grease to old vehicle guts Brush seam sealers in auto body applications Spread dielectric grease, caustic materials EZ reaches corners and gets into/between all the pins & tight nooks and crannies Smear oil on everything everywhere, clean oil and chips after machining or drilling some parts Apply Naval Jelly Works well for applying Frog lube to guns Handy for removing dust from places you can't reach, Brushing the dust off computer fans/heatsinks Wax for mold releaseVery Handy for Cleaning: Cleaning away the metal debris like when cleaning and lubing bike and motorcycle chains or other general-purpose Unit of Measure Pack of 36 pcs.