Durable yet flexible, the 3M™ Wetordry™ Paper Half Sheet, 401Q, levels minor dust nibs, and is great for adjusting mismatched orange peel on all automotive paints. This abrasive is fast-cutting, and has a flexible backing with a consistent scratch pattern. The 3M™ Wetordry™ Paper Sheet 413Q is primarily used in the metalworking and woodworking industries. It works well for sanding old finishes, fine featheredging, surface work and can be used wet or dry. It is constructed with a silicon carbide, closed coat product and bonded with a waterproof resin.