Twofish Megablock XL
The TwoFish Megablock XL is the most secure attachment system available.
- A single-point attachment system for large shackle U-locks
- Attaches securely to most top tubes
- Works with Kryptonite's New York Fahgettaboudit U-lock, Abus's Granit U-lock series and OnGuard Pit-bull series
