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MEDIUM GRIT WALNUT SHELL (16/30 MESH) – 0.5–1mm abrasive media for general cleaning and blasting without damaging underlying surfaces IDEAL FOR ENGINE CLEANING – perfect for cylinder heads, valves, transmissions and alloy wheels, removes carbon and deposits effectively SOFT ABRASIVE ACTION – cleans surfaces without scratching or pitting metal when used correctly, safer than sand or glass media SILICA FREE & ECO FRIENDLY – biodegradable, non-toxic walnut shell media, safer alternative to traditional blasting materials REUSABLE & COMPATIBLE – suitable for blasting cabinets, sandblasting machines and tumblers, works with standard equipment Engine Cleaning Specialist – Perfect for cylinder heads, valves, alloy wheels, and delicate metal components Equipment Compatibility – Works with standard blasting equipment; results depend on machine power and air supply Reusable & Eco-Friendly – Biodegradable, non-toxic, and reusable media for efficient and sustainable use