Hello, I would like to have this kind(genre) of brush, but with the dimensions(size) following one outside Diameter 175mm internal Diameter 40mm Thickness 45mm I would like to have an estimate for 20 pieces. I stay looking forward to an answer from you. Cordially., Hello, I would like to have this kind(genre) of brush, but with the dimensions(size) following one outside Diameter 175mm internal Diameter 40mm Thickness 45mm I would like to have an estimate for 20 pieces. I stay looking forward to an answer from you. Cordially. Show More