- Fits all coupler types and sizes from 1-7/8" to 2-5/16"
- Made of high-quality hardened steel
- Ballistic-grade polymer lock housing cover resists hammer strikes and protects lock mechanism
- AMS (Absolute Maximum Security) for your trailer with 360° of solid steel security
- Dual-force coupler lock can be used with cable or chain to secure trailer to ground anchor or fence