Non Rekeyable Padlock, Brass, Control Key Registration Required No, Key Control No, Shackle Dia. 3/8 In., Shackle Height 2-1/2 In., Shackle Width 15/16 In., Key Type Different, Shackle Material Boron Alloy, Body Size Width 2 In., Body Size Thickness 1 In., Body Length 2 In., Body Material Brass, Number of Bumpers 1, Number of Pins 4, Boron Chrome, Rectangular, Silver, 2 In., 2 In., Yes, Brass, Weatherability Superior, Shackle Configuration Open, High Security RestrictionsCalifornia Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Brass PadlocksInclude 2 keysLaminated BrassLaminated brass body and brass cylinder. Shackle has dual lever-locking mechanism.