HS4 - Squire High Security Stronghold Padlock CategoriesPadlocksHS4 - Squire High Security Stronghold Padlock HS4 - Squire High Security Stronghold Padlock The Squire HS4 Stronghold insurance padlock, is a pedigree padlock.The Stronghold's carefully balanced shape compliments an excellence in lockmaking and engineering innovation. $200.10 Quantity Add to cart Specifically designed for maximum protection in high risk areas such as:Factories.Airports.Garages.Transport.Ships and Docks.Oil refineries.Trucks and Trains.Warehouses.Mining.Paper Mills.Gates.Vending Machines.etc.. ×Close Nothing to see here!