The 4-1/2-Inch 36G Flap Disc is designed for aggressive grinding and blending of metal and other materials. With a 4-1/2-inch diameter and a 36-grit abrasive, this flap disc provides fast material removal and smooth finishing, making it ideal for surface preparation and weld smoothing. The overlapping flaps of the disc offer consistent performance and durability, while the sturdy backing ensures secure attachment to angle grinders. This flap disc is suitable for both professional and DIY applications, delivering reliable results for a variety of grinding tasks.