Square Type Steel Padlocks - Solid hardened steel lock body. - Chromed finish. - Chromed hardened steel shackle. Square Type Steel Padlocks1, Solid hardened steel lock body. 2, Chromed finish.3, Chromed hardened steel shackle.4, Brass cylinder, 5 brass pin tumbler. 5, 3 nickel plated brass or steel keys . Square Type Steel Padlocks