Master Lock 6835BLK Safety Series Padlock, Aluminum Body, 2-Inch, Black Solid aluminum body resists corrosion and functions in temperatures from -35 to 350 degrees F Keyed different 5-pin tumbler cylinder for security (10,000 key codes) UV-stabilized powder coated finish resists corrosion and fading to retain high visibility Able to withstand 3,100 lb. in shackle pull force Limited lifetime warranty