ONGUARD Brute STD U-Lock, 4.37 x 7.96-Inch U-Locks X4P Quattro Locking Mechanism for four sided protection Longer 111 x 202mm (4.37x7.96) TriRadius shackle Security Rating: 97 Snap Lock Quick Release multi- position mounting bracket 5 laser cut keys (1 micro-light and 4 extra grip keys); Micro-light key projects a bright white beam