The Fastway U-Shape Universal Coupler Lock is designed with a 5/8" hardened steel, reversible U-shaped shackle that features direct-engagement dual-locking pins (no springs) for maximum security. Anti-drill lock design is corrosion-resistant. Fits all 1-7/8", 2", and 2-5/16" tongue-type trailer couplers. Includes two barrel-style keys. Limited lifetime warranty. Direct-engagement dual-locking pins Includes two barrel-style keys