- Security Rating: 8 of 15
- Easy to use mounting bracket fits most frames
- Patented double layer key design reduces breakage
- 12mm thick round temper hardened steel shackle
- Innovative pass through shackle with cutouts increases twisting and cutting resistance
9 inch heightItem Specifications: Genre: 9, Diameter: 12, Lock Style: Keyed, Shackle Width: 3.9, Advertised Weight: 2.1, Cable Included: No, 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.