The yale locks multi purpose padlock set contains 4 padlocks two of each type that have all been keyed alike to offer the convenience of 1 key for all four keys supplied the set comes with 2 x y220 51mm weatherproof padlocks keyed alike the y220 weatherproof padlock is an ideal high security solution for outdoor applications it features a precision 5 pin cylinder with anti pick mushroom pins to withstand attack a solid multi layered steel body protection system and a key way cover cap to prevent