The Forney 71726 9-Inch by 1-1/2-Inch Sand Screens are made from silicon carbide grain. Non-loading open screen. For wood, paint, ceramic, ferrous and non-ferrous metals. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5, 000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. 9-Inch (2743. 2-mm) by 1-1/2-Inch (38. 1-mm) sand screen. 120 Grit. Claims for must be made within 90 days of the date of purchase. Proof of purchase required. This does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.