TRICO Maxx premium beam blades are 100% made in the USA and infused with Z7 a micro-metric synthetic compound, extending blade life by three times. Product Features:Z7 is an infused micro-metric synthetic compound in the rubber, specifically engineered for maximum wear resistance resulting in three times longer life. Made in the USA. Robust superstructure built for durable all-weather performance. SWIFT Easy Connection Technology adaptor system allows for easy install.