Jason Type 400 flat belts are single-ply, endless woven belts built to the rigid standards necessary to meet the demands of modern high speed compact drives requiring flat belts. These belts are interchangeable with Gates Speed Flex, #400 Panther, Tilton Superspeed and Fenner Ultra Speed 400. These high-performance flat belts have a single-ply of endless woven polyester cord bonded to an oil-resistant, non-marking, static conducting chloroprene (Neoprene) rubber covers.