Premium grade wheel constructed for applications with metal, pipeline and stainless steel. Easy to read labels are incorporated into the manufacturing provess so they remain intact throughout the life of the wheel. Carefully formulated reinold bonds are applied to meet the unique specifications of each wheel and multiple layers of long, stranded fiberglass are woven to form an expectionally strong reinforcement layer specific to the application. Using only superior virgin grains made to exact specifications. Not to exceed 13,280 RPM. Sold in 25 Packs.