The product is a lot of 8 vintage Sams Photofact folder sets from the 300 & 400 Series including 312, 325, 326, 334, 351, 358, 428 and 429. These manuals provide detailed information and instructions for various radio communication equipment. Each set includes specific manuals related to radio communication, offering a valuable resource for enthusiasts and professionals alike. Perfect for collectors or those looking to repair or restore older communication devices, this lot of Sams Photofact manuals is a must-have for anyone interested in vintage electronics.