The 4-1/2-Inch Zirconia Grinder Flap Disc, 120 Grit is ideal for fine grinding and surface finishing. With a 4-1/2-inch diameter and 120-grit zirconia abrasive, this flap disc provides a smooth, polished finish while still offering efficient material removal. The zirconia abrasive enhances the disc's durability and lifespan, ensuring consistent performance over extended use. The overlapping flaps deliver a uniform finish and are perfect for use with angle grinders. Suitable for both professional and DIY projects, this flap disc excels in achieving high-quality results on various surfaces.