99-05028: Zinc Plated Ball Stud Assembly. Made of Zinc Plated Steel and comes with Lock washer and 3/8in-24 hex nut. Use with Panther Quick Disconnect P/N: 99-09028 and the Panther Auxiliary Motor Steering Kit P/N: 55-2400. Can also be used with any Freshwater Panther Electrosteer Models. Stainless Steel Version Available P/N: 99-05029. Visit the Panther web page for more information on these and other great products.