A Fourth Socket for this Popular Set! Now, there are four double-ended sockets to fit eight common domestic and foreign antenna nuts. The smaller three sockets are 7/8\" hex and the larger socket is 1 1/4\" hex. Sockets are made of heat-treated alloy steel for strength. New fourth socket fits s 29810 Antenna Nut Socket #1 (3 prong) 29820 Antenna Nut Socket #2 (Ford Mustang 2012/13) 29830 Antenna Nut Socket #3 29600 Antenna Nut Socket #4 29810- will fit 2012 Ram 1500