... 12mm 64Level F64 protection against hand guns of medium power,such as the 9mm, Super 38 Automatic, and the ... F54 23mm 54Level F54 protection against hand guns of high power,such as the .357 Magnum, and the like, ... in the business hall of financial enterprise, for example the bank, security company, post office, insurance company. It can ... GB 17840-1999Product standard:GB 17840-1999 Bank Counter Glass