Trimax Premium Universal Unattended Coupler Lock with Shackle - Dual Purpose Steel

Trimax UMAX100 Premium Universal Unattended Coupler Lock features a universal fit and a hardened 9/16 in. (16mm) steel shackle. Ballistic Grade Nylon housing absorbs hammer blows and protects against severe weather. The key hole cover slides up to seal out dirt. The UMAX100 Dual Purpose Coupler Lock features a huge 7-tooth, 3/8 in. wide locking lug system. Provides 360° of "solid hardened steel" protection. For dual force security, pair with Trimax chains and cables. Fits most couplers (1-7/8 in., 2 in. to 2-5/16 in.). Includes two round keys.