Deesucc 3LBS Walnut Shell Blasting Media 40-60 Mesh Grit - Natural Abrasive Sand for Intake Valve Carbon Cleaner, Tumbling Polishing, Metal Surface Preparation

["Premium 40-60 Grit Walnut Shell Media: Consistently graded extra-fine walnut shell grit (40–60 mesh) for precise blasting, tumbling, and polishing; ideal for industrial cleaning, automotive carbon removal, and jewelry finishing.","Effective Car Carbon Deposit Cleaner: Safely removes baked-on carbon, oil, and grease from engine intakes, valves, and carburetors without scratching soft aluminum or metal surfaces.","Versatile for Jewelry & Metal Polishing: Perfect for vibratory tumbling and hand polishing gold, silver, platinum, and brass parts; deburrs, brightens, and restores luster to delicate components.","Industrial-Grade Blasting Abrasive: Natural, biodegradable, and silica-free; replaces harsh sandblasting to avoid silicosis risks, reusable for light-to-medium blasting tasks.","Gentle Yet Powerful for Multiple Surfaces: Cleans paint, rust, and contaminants on metal, plastic, fiberglass, and wood; preserves substrate integrity for aerospace, marine, and wood restoration projects."]