From the manufacturer

12.7mm hardened performance steel shackle.
Includes 2 stainless steel keys, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking.
New "pass-thru" crossbar design includes enhanced anti-rotation features, providing advanced protection against twist and single cut style attacks.
New hardened double-deadbolts engage both shackle ends increasing holding power.
New dust cover.
High security disc-style cylinder is pick and drill resistant.
Includes flexframe-u bracket providing convenient multi-location u-lock transport.
Dimensions: 4" x 9" (10.2cm x 22.9cm) - Weight: 3.65 lbs (1.66 kg's)


Shackle Size 12.7mm performance steel shackle with new hardened double-deadbolts to engage both ends increasing holding power.	Anti-theft Protection Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will pay out up to a certain value depending on the security value of the product. Visit our official website for further information. T&C’s apply.	Key Safe Program Register your keys online and Kryptonite will ship you 2 keys, globally, in the event you lose them.	Stainless Steel Keys 2 stainless steel keys with ergonomic design to reduce the amount of torque.