Master Lock 6835KALFRED High-Visibility Keyed-Alike Aluminum Padlock, Extra Length Shackle, Red Solid aluminum body resists corrosion and functions in temperatures from -35 to 350 degrees F Keyed alike 5-pin tumbler cylinder for security with single key convenience for multiple locks UV-stabilized powder coated finish resists corrosion and fading to retain high visibility Hardened steel shackle has 1-9/16" (39.7 mm) vertical shackle clearance for extra length and withstands 3,100 lb. in shackle pull force Limited lifetime warranty