The 30181 series is the combination lock body for mechanical safe locks. The 3-wheel safe locks have one million possible combinations and can resist manipulation for more than two hours. The industry standard mounting footprint allows the locks to be easily retrofitted or replaced with other safe locks without effort. With certification under UL listed group 2, these locks have been widely trusted and installed on a variety of security applications like gun safes, vault rooms, ATMs, government offices and banking facilities. The mechanical safe locks always play an indispensable part in the security industry due to its outstanding durability and stability.