The IOSSO .44/.45 Cal Bore Brush with Metal Loop Handle (19223) are made with a fiber that is cobalt blue which is a stiffer grade of fiber that allows for back and forth action unlike traditional brass and bronze type brushes. The fiber lasts approximately 8 to 10 times longer than other brushes. The brush is wound tighter and has more fiber per inch than any other brush.

Specs:

9.75" Overall Length w/ Brush