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.This ABUS 72/40 Aluminium Padlock has the following specification: Colour: Blue.ABUS Security Level: 6.Keyed Alike Key Reference: TT60121. Shackle Width: 20mm.Shackle Height: 39mm.Shackle Diameter: 6.5mm. Overall Width: 39mm.Overall Height: 86mm.Overall Depth: 19mm.