3M™ Wetordry™ Abrasive Sheet 401Q is designed for sanding applications that require a fine grit and a light touch, such as auto body wet sanding and paint finishing. It combines our durable, waterproof A-weight paper backing and our fast-cutting silicon carbide mineral for consistent scratch patterns, making for easier buffing. And a range of grades up to 3000 grit allows for superior results. Details Convenient sheet can be used wet or dry on paint, primer, gel coat and metal Waterproof backing supports wet applications for decreased loading and a faster cut Silicon carbide mineral is our fastest-cutting abrasive for a superior finish Range of fine grades from 1000 up to 3000 for the most professional results Available in 9” x 11” and 5-1/2” x 9” sheets for a variety of uses Specifications Abrasive Material Silicon Carbide Application Clear Coat Blending, Paint Defect Removal, Paint Finishing Attachment Type None Backing Material Paper Backing Weight A Weight Brand Wetordry™ Color Family Black Grade Range Fine (P500-P3000 +5000) Grit 1500 National Stock Number 5350016135700 Number per Inner 50 per Carton Overall Length (Imperial) 9 in Overall Length (Metric) 228.6 mm Overall Width (Imperial) 5.5 in Overall Width (Metric) 139.7 mm Packaged Form Boxed Performance Level Better Product Color Black Product Form Sheet Sanding Method Hand, Machine Sanding Surface Clear Coat, Clear Plastic, Paint Sanding Type Wet/Dry Size (Imperial) 5.5 in x 9 in Size (Metric) 139.7 mm x 228.6 mm TDS Required No Vacuum Support No