REESE Towpower 21793 Ball Mount Bar With Interlock, 500 to 5000 lb Weight Capacity, 9-1/2 in L, Powder-Coated

Reese Towpower InterLock ball mounts feature a specialized OEM coating for great rust resistance and have a patented hex design which allows for a one-wrench tightening when combined with a REESE InterLock hitch ball. It makes for installing and removing the hitch ball more efficient and prevents marring.