J.W. Winco, Inc., a leading supplier of standard industrial machine components, announced it offers an expanded line of Metric Size O-Rings. O-rings are available in a large range of sizes. Inside diameters range from 1.15 mm to 1,044 mm, with cross sections from .7 mm to 15 mm. Non-standard sizes are available upon request. The O-rings may be ordered in nitrile-butadiene-rubber (NBR) or fluorocarbon-rubber (Viton). Other materials are available upon request.