ABUS 72 Series Coloured aluminium padlocks with a precision extruded cut and drilled pure aluminium body which is light and strong Rust-free 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 and ideal for access lock-off with 801 shackles also ideal for Doors gates cabinets lockers toolboxes cellar windows sheds switchgears barriers Self-locking lock is locked by pushing down the shackle