SS-350 HD Trailer Hitch Safety Device Preventing Accidental Separation and Peace of Mind While Left UnattendedMADE IN THE USAWe Build The PRODUCT For Your Coupler for More information on Sizes and Fit www.amazon.com/shops/HitchItSafeLLC Made in the USA all steel fabrication with requires no Modifications to Towing Vehicle or Trailer Connector All Hardware included for installation Safety Preventing Accidental Separation while Towing and Security While attaced and unattended Simple installation with Pipe Wrench and Cresent Wrench (Self Install) Full Range of Motion When installed (turns with your using the Steel Step Washer included) Cutproof and Freon Resistant Shackle Lock Use with Atwood Couplers Models 64-4102 2 5/16