Water Resistant Sanding Discs are perfect for grinding contoured and irregular surfaces, and also used for a wide range of general purpose applications. These Sanding Discs are heat treated and fully water resistant. These Sanding Discs have quick changing roll-on system which allows for cost effective sanding and finishing operations. These Water Resistant Sanding Discs are available in sizes of 50 mm and 75 mm and also as per the requirements.