- Unique recurved design defends against hammer blows
- Black zinc-plated carbon steel protects against the elements
- Steel-alloy shackle is tougher than standard shackles
- Meets all us military standards and manufactured to aerospace tolerances for quality and high security
- Dual hardened ball locking mechanism cannot be shimmed or bypassed
- 5 pin cylinder - up to 10 security pins
- Guaranteed for Life
- 2 Keys Included Per Lock