You are purchasing a New GSRF, Loc-it coupler lock for a 2" ball coupler. As you can see, this body of the coupler lock, is just shy of 1/2" thick on the housing. This does not fit Slide Lock Couplers !! This is for stamped couplers only. Will not fit cast or forged couplers. comes with a 70mm Stainless Steel 3/8" Shackle Water Proof, Disk Lock, with 2 keys as shown. These locks are of 304 Stainless Steel which is anti rust and corrosion resistant which can withstand all types of weather. Can be replaced with any 3/8", 70 mm disk lock. This is a very secure way of locking the coupler on the trailer so thieves have no way to tow your trailer away. This lock comes with Free Shipping to the lower 48 states. A 90 day Factory Warranty included. Made in good old USA. Paint color May change. No International Shipping Please. Does Not Fit UFP Atwood Couplers !! Note: Coupler must be a total width of 4" or less to fit housing. Return shipping paid by buyer....