Each and every 189mm Ceiling Fan Top Cover is drilled with holes to allow easy screwing of nuts and bolt. Customers use this cover to support hub mounted paddles or blades while rotating in order to circulate air to the interiors. Our dexterous employees manufacture this cover by utilizing corrosion resistant and high strength metal sheets. We incorporate advanced and efficient CNC machines to cut down the metal sheets in the standard size of 189mm. Our offered cover provides optimum balance to all the blades for excellent thrust and air delivery. Furthermore, 189mm Ceiling Fan Top Cover is dimensionally accurate, durable, maintenance-free and sturdy in structure.