WALNUT SHELL TUMBLE POLISH SHOT BLASTING SAND BLASTING16/5 MESH 5kg PRODUCT OVERVIEW Walnut Shell blasting sand media is safe for you and the environment. Silica free reduces your risk of Silicosis. Walnut Grit is softer than sand and when used properly maintains the integrity of underlying structure. Great for removing graffiti, cleaning engines and transmissions, soft metals, prepping metal for paint, rest O-ring historical items, etc. Less damage to the sub straight means the job gets completed faster. A great non-toxic solution to your blasting needs., Weight: 11.0231131 Pounds, Manufacturer: mascota products