The Squire Stronghold Re-Codeable Padlock has a unique patented pull button, re-codable combination mechanism. The internal mechanism has also been treated for optimum durability in harsh outdoor s. With hardened steel shackles ensuring high cutting resistance and a solid brass lock body with hardened internal parts. The SHCB65 is a 4-wheel padlock and the SHCB75 is a 5-wheel padlock. Encased in plastic with large solid wheels. CRIMESTOPPERS supported. | Squire Stronghold Re-codable Padlock