These flat top wire brushes are ideal for de-carbonising. They have brassed crimped steel wire held in a flat trim. * Brush diameter: 13mm * Brush length: 25mm * 6mm diameter shank for use with power tools * Draper type 41437 https://elecena.pl/product/27252751/draper-41437-13mm-flat-top-decarbonizing-wire-brush 2024-11-13 https://elecena.pl/product/27252751/draper-41437-13mm-flat-top-decarbonizing-wire-brush 2025-03-14