Weiler Tiger ceramic 4-1/2 inch resin fiber discs deliver maximum performance with a superior combination of life and cut rate. Top coat grinds cool and eliminates loading when grinding stainless steel, high-nickel alloys, armored steel, tool steel, inconel, titanium, and other hard-to-grind materials. Ideal for industries such as ship building, tank & pressure vessel, ornamental fabrication and right angle grinder applications such as edge chamfering, weld blending, surface preparation and finishing. Ideal for use on Stainless Steel, high-nickel alloys, armored steel, tool steel, inconel, titanium, and other hard to grind materials. Self-sharpening Ceramic grain provides maximum cut rate throughout life of the disc. Top Coat grinds cool and eliminates loading. . .