This pack includes a Rhynosponge in each of the following grits: microfine (beige), ultrafine (blue), superfine (green), fine (yellow), and medium (orange). Regardless of the application, the Rhynosponge produces a conformable surface for sanding edges and curved panels. With a grit range from medium to micro fine, color coded for ease of identification. The optimized distribution of grain with a more flexible binder resin minimizes clogging. Highly flexible sponge construction produces an even sanding finish.