... antique,leather finish. 2.Steel dia.0.3-0.7mm 3.67holes filament Frankfurt steel wire brush used in hand and automatic grinding ... machine.Abrasive Brush are used in marble, granite ... , it could get the archaized effect.Grit:steel,36#+Φ0.5mm steel brush,24#,36#,46# ,60#,80#,120#,180#,240#,320 ...