Introduction The Makita 75mm Dia 14 x 2mm Cup Wire Brush is designed to remove light rust from flat surfaces and edges. It features a 0.3 mm wire gauge and is suitable for use with 115 mm and 125 mm grinders, achieving a maximum speed of 12,500 rpm. The brush has a diameter of 75 mm and uses wires sized 14 x 2 mm for effective cleaning.