About ATEC ATEC is the official training equipment source for Major League Baseball, and is fast becoming one of the top names in fastpitch softball. ATEC has developed and produced training machines and equipment for more than 35 years, priding itself on performance, accuracy, and durability. Their equipment is used every day by every team in the big leagues, as well as by college, high school, and youth teams everywhere. ATEC products provide a solution for individuals striving to get better, and for teams looking to take the next step. * For use with backstops or batting cages * Heavy-duty vinyl construction for heavy use * Includes clips and hanging chains * Protects backstop net to ensure its prolonged life * Reduces the beating taken by both backstop and balls * A batting-practice staple * 36W x 48H inches