The 2-3/4 in. x 8 in. Strip, OS Series by Mirka Sanders is an optimized surface preparation product designed for use in Step 3 of the sanding process. This package includes a quantity of 50 strips, making it ideal for professionals or serious DIY enthusiasts. These sanding disks are specifically crafted to deliver superior results, offering a precise and efficient sanding experience. The Mirka Sanding Disks are known for their high quality and durability, ensuring long-lasting performance. Trust Mirka Sanders for all your sanding needs, and achieve a smooth and flawless finish with their 2-3/4 in. x 8 in. Strip, OS Series - Optimized Surface Preparation Product, Step 3, Qty. 50.