Hexagonal, 10 mm thick chain links made of 3-fold hardened manganese steel
patent-pending design with direct connection of chain and hardened shackle eliminates the potentially vulnerable transition from chain to separate lock
High security disc lock cylinder with reinforced anti-drilling and anti-twist protection
the patented, hardened oval locking shackle offers even more resistance than the usual round shape, according to the manufacturer
a rotating dust protection sleeve protects the locking cylinder from dirt and moisture
three stainless steel keys included - one with LED light and replaceable battery and 2 ergonomic "I-Keys
Protective cover made of robust nylon with holding loops
"Key Safe Program": after registration Kryptonite will replace lost keys, the first two free of charge if applicable.