107mm X 178mm/4.2`` X 7``. 16mm X 5/8`` Steel shackle. On Guard Brute STD U-Lock 16mm #5001 onguard_brute_std_ulock_5001.gif Photo`s are for reference only. Please read item title carefully.

16mm massive hardened ultra steel shackle is the biggest,toughest shackleLS is 4.2 x 10.25, 5.2 lbs.Includes 5 laser cut keys and 1 light key. All tube multi-position quick release bracketFive Star plus security level rating make these locks the ultimate theft resistant locks for high crime areas