Blue Spot 77007 40mm Weather Resistant Padlock Features and Benefits: Features a double locking mechanism that's perfect for medium security for indoor and outdoor use. The water-resistant design is perfect for use in all-weather situations to help avoid rust and corrosion. Brass locking cylinder Hardened shackle Supplied with 2 keys 4 pin tumblers Maintenance: Use a graphite lubricant regularly on the locking cylinder to prolong padlock function.