Abus 70al series aluminium padlocks with a precision extruded cut and drilled pure aluminium body which is light and strong they have a sealed lock body with protective shock absorbing vinyl case and cover seal designed to protect the cylinder against water and dirt rustfree precision 5 pin tumbler cylinder with a through hardened plastic coated 8mm steel shackle zinc plated brass lock mechanism to protect against chemical corrosion designed and constructed for rugged weatherproof outdoor use