Walnut Shell abrasive sand blasting media 50-lb. bag. Excellent for cleaning, buffing, and preparing surfaces. It is a non-toxic media which is soft and can be reused. Vaniman sandblasting media is sieved and sifted resulting in accurate and reliable blasting results. 50 lbs. 20/40 grit Mohs Hardness Rating: 2.5-3.5 Reusable Part Number: 97931 *Free shipping not available for this product
