RVs move from site to site chasing the camper's dream. Once you find your spot and park, you can firm up your tandem axle living quarters with the Stromberg Carlson Tandem Axle T-Chock. Applying pressure against each axle locks your tires in place and stabilizes the floor of your coach.• Fits tires spaced 2"-17" apart• Rust-resistant coating• Handle included Fits tires spaced 2""-17"" apart Rust-resistant coating Wrench included | Stromberg Carlson Tandem Axle T-Chock, Single Pack with Wrench