Highlights: Grade: Fine Grain: Silicon carbide Grit:120 Grit – Moderate surface preparation Sharp, fast cutting silicon carbide grain produces a smoother finish on drywall The open mesh allows dust and particles to “pass through” to reduce “clogging” Dual sided abrasive surfaces for twice the life The waterproof screen can be rinsed clean with water and reused The nylon screen resists tearing and is more durable that paper