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
| Length | 5.5 |
| Lock Style | Keyed |
| Diameter | 12 |
| Cable Included | No |
| Shackle Width | 3.9 |
| Advertised Weight | 1.5 |
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