Makita Concrete & Masonry Sanding Disc D-63432 This flap disc has a diameter of 115mm and is specifically engineered for effective surface removal, particularly on Brick, Stone & Concrete surfaces. It is equipped with a standard arbor hole of 22.23mm, providing a secure and versatile fit for most angle grinders. With an A40 grit rating, it delivers coarse abrasion, making it suitable for tasks such as Brick, Stone, and Concrete removal. Designed to withstand speeds of up to 13,300 RPM, this disc operates reliably at high velocities while ensuring durability. Weighing around 0.08 kg, it offers stability and ease of handling during prolonged use. Grit / A40 Bore (B) / 22.23 mm Grinding Disc Diameter / 115 mm