Choose the WallSand A412 coarse grit paper cut sheet for heavy removal applications on drywall. Designed for use with a sanding block or for hand sanding， this coarse grit cut sheet offers a P-graded hard silicon carbide abrasive that provides sharp， efficient cutting action. A durable D-weight backing lends excellent strength and longevity to this rugged cut sheet. Appropriate for home and leisure uses as well as professional applications， the A412 cut sheet is the ideal choice for achieving a smooth drywall surface prior to paint application.