The foam sanding blocks are washable and reusable. They can be used for both wet and dry polish.
Block shape should suit your specific needs, whether flat for larger surfaces or contoured for more intricate work. High-density sponge is soft, and flexible, and provides cushioning while sanding. It allows for better control and reduces the risk of leaving scratches on the surface being sanded.
Closed angle ladder edge can meet small gaps and corners, making sanding easier with one sanding block
Lower grit numbers indicate a rougher surface for heavy material removal, while higher grit numbers signify finer surfaces for smoothing and finishing.