Designed and manufactured for pinpoint positioning and accuracy, MaxGlyde© pulleys, wheels and rollers perform successfully in high-speed applications in nearly any work environment.Manufactured from tough, durable polymers, MaxGlyde© components are self-lubricating and offer wear and noise reduction advantages over their metal counterparts. -Light weight. (15% weight of steel) -FDA, USDA, HACCP and NSF compliant. -Corrosion, chemical, wear and moisture resistant. -Low coefficient of friction. -Self-lubricating.