360 degrees of solid steel protection against trailer theft. The UMAX100 is constructed of solid hardened steel and fits most coupler sizes (1 7/8" to 2 5/16"). A 5/8" (16mm) hardened steel shackle helps ensure your trailer is secure, even when left unattended. It has a patented dual locking system, hardened steel crossbar and ball, and ballistic grade nylon housing for maximum security.

• One size fits most coupler types
• Dual ratchet lock system
• Exclusive design provides 360 degrees of hardened steel protection
• Key hole cover keeps out dirt
• Attractive ballistic grade nylon housing
• Hardened 5/8" steel shackle
• Hardened steel cross bar and ball