Wood, brass wire dia 0.15 mm.
Return tools for warranty replacement directly to KC Tool. All returns are subject to inspection prior to replacement.
It's a brush. The only feature I would like to have seen is a hole on the handle for hanging.
Great little brush for various things. Price was right and the bristles aren't flimsy.
Stahlwille, IMHO, makes the best brushes around. I haven't used this particular one, yet, but I already know how great it will work.