Screen-bak durite Q421 fine grit screen sheets are a great choice for efficiently sanding and finishing fiberglass and composites, aluminum, brass, bronze, titanium and super alloys, hard, soft and 300 Series stainless steels and hard and softwoods. Engineered with a P-grade silicon carbide abrasive, these open-weave screen sheets deliver excellent cutting and remove scale, rust and corrosion with minimal loading. They're waterproof, so rinse and reuse them for final sanding applications and light material removal. They're packaged in a handy protective dispenser to reduce waste and make storage simple.

• P-graded silicon carbide for excellent cutting and non-loading properties
• Waterproof and washable, cloth sheets are packaged in a protective, convenient dispenser which eliminates costly waste and permits neat, easy storage
• Open weave screen for extreme resistance to loading when removing scale, rust and corrosion
• A good choice to rinse and reuse for light material removal and final sanding