This cleaning brush set which includes various diameters of brushes is perfect for cleaning the inside of tube/bottle with narrow necks, like Drinking Straws, small Baby Bottles, Colanders, Espresso Machines, Thermal Coffee Tops, Glass Droppers and Dropper Bottles, Small Nozzles, Airbrushes, Carburetor Passages, Guns, Paint Spray Guns, Bird Feeders, Sewing Machines, tattoo Equipment, Vaporizers, Small Water Pumps, etc.
The brushes generate foam easily. It is hard enough to scrub the dirty stuff while gentle enough to avoid scratching.
A Handiest tool for reusable straw owners!
Stainless steel wire winding handle.