Masterlock’s high security mortise padlock features an 80mm wide zinc body for weather resistance and is surrounded by reinforced steel for maximum reliability. Fully covered design minimizes neck exposure and protects against cutter attacks. The 11mm diameter neck is 14mm long and is made of reinforced steel, offering strong resistance to cutting and sawing. The 5-pin cylinder prevents theft and the double locking levers prevent hammer attacks. The lock comes with 4 keys for convenience.