Brass Padlocks UNION offer a range of traditional general use brass padlocks for a variety of applications. 3122 / 312251 / 312252 - Cylinder PadlockFor general use 3142 / 3152 - Close Shackle PadlockClose shackle padlock for general use 3102 / 310251 / 310252 - Cylinder PadlockFor general use 31022 / 310221 - Cylinder PadlockFor general use 3104 / 310441 / 310442 - Cylinder PadlockFor general use