Sometimes a safety pin and coupler latch are just not enough to keep your toys safe, but this 1/4" pin 1" to 3" latch span right angle coupler lock should just do the trick. This coupler lock features a right-angle barbell design to keep the pin well protected from tampering. It comes with a chrome finish with blue anodized aluminum and offers an adjustable pin span from 1" to 3" with a pin diameter of 1/4". All CURT coupler locks are made to fit latch-type couplers and include two keys. Protect your boat, your camper and even your utility trailer the right way with a CURT coupler lock. | Curt 1/4" Pin 1" to 3" Latch Span Right Angle Coupler Lock