A safety padlock is a kind of security lock, the security lock is usually divided into a safe padlock, electrical switch lock, electrical plug lock, circuit breaker lock, valve lock, and steel cable lock, etc., usually safely padlock is used with other security locks, lockout padlocks can be used alone, while other security locks cannot be, so the application of the security padlock is very broad, and the market demand is also very large. So what is the difference between the safe padlock and the ordinary padlock on the market?