Made in the USA We pride ourselves on manufacturing our products in America! By doing so, we are able to ensure more control over the development and delivery of our products to our consumers. Family Owned We don’t have board members directing us to produce lower-quality products to increase the bottom line. This allows us to continue building incredible, effective, and secure products. One Key for All Locks Our innovative key system features the ability to key all your locks alike for your convenience! Heavy-Duty Lock It’s important to protect your trailer and camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers for Airstream trailers to help keep your belongings secure. Model 2516 Model 2178-A Model 2516-B Model PL-5 Model 2178 Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.7 out of 5 stars 1,501 4.5 out of 5 stars 46 4.7 out of 5 stars 127 4.5 out of 5 stars 39 4.8 out of 5 stars 724 Price $275.00$275.00 $280.00$280.00 $300.00$300.00 $225.00$225.00 $275.00$275.00 Vehicle and Trailer Types RVs and trailers RVs and trailers RVs and trailers 18-wheelers and fifth-wheel RVs RVs and trailers Steel Construction ✓ ✓ ✓ ✓ ✓ Compatible Sizes 2 5/16-inch couplers 2-inch Atwood yoke-latch 2 5/16-inch BullDog couplers Fifth wheels 2-inch couplers Made in the USA ✓ ✓ ✓ ✓ ✓