The Ultra 410 features a 12mm double-bolting temper hardened steel shackle providing protection against cutting and torsion attacks in a simple design.  It includes an easy to mount, rattle free bracket and comes in a variety sizes and packages.
  - 12mm thick round temper hardened steel shackle
 - Pass through, double bolting steel shackle provides anti-twist protection
 - Easy to use mounting bracket fits most frames
 - Patented double layer key design reduces breakage
 - Security Rating: 8 of 15
 - Advertised Weight: 2.3
 - Diameter: 12
 - Shackle Width: 3.9
 - Lock Style: Keyed
 - Cable Included: Yes
 - Length: 5.5
 

  
  

