Shapers Polinet Gauze Screen. Highly sort-after by Surfboard Shapers for its flexibility, longevity and overall performance as a finishing gauze. Exclusively supplied by Shapers Australia, with grits ranging from coarse to very fine. Key Features and Benefits: Produced from highest quality Aluminum Oxide not Silicon Carbide; Most effective square shaped pattern on the market; Made for flexibility, hence ideal for Screening Rails; Quality Material that is strong and durable (i.e. it lasts). Polinet Gauze are custom made using Aluminum Oxide Abrasive Gauze. The Aluminum Oxide is the most desired form of abrasive world wide, due to its ability to self-clean, longevity of life and hardness. Harder than other commonly used materials, aluminum oxide grit powder penetrates and cuts even the hardest metals and sintered carbide (making it an amazing cutting agent on material such as surfboard foam PU, EPS, XPS).