Pintle Mount Bolt Kit Pintle Mount Bolt Kit; Mounts CURT Adjustable Pintle Hook Or Ball/Pintle Combination; Incl. Four 12mm x 50mm Socket Head Cap Screws; Four Nylock Hex Keys; Four 12mm Lock Washers; Curt Manufacturing CURT Manufacturing Pintle Mount Bolt Kit - 48331 48331 Pintle Mount