Double Socket SHORT Sized Length Arm for 3.38 Inch Ball
Price: $135.49
Double Socket Standard Sized Length Arm for 3.38 Inch Ball
Price: $203.49
RAM Mixed Combination Pin-Lock Security Nut and Key Knob for "D" 2.25 Inch and "E" 3.38" Inch Diameter Sized Arms
Price: $9.49