Abus 72 Series Coloured aluminium padlocks with a precision extruded, cut & drilled pure aluminium body which is light & strong. Rustfree precision 6 pin tumbler cylinder with a hardened 7mm steel shackle. Zinc plated brass lock mechanism, to protect against chemical corrosion. These anodised aluminium padlocks are keyed alike & ideal for access lock-off with 801 shackles, also ideal for Doors, gates, cabinets, lockers, toolboxes, cellar windows, sheds, switchgears, barriers Self-lock