"No Hex Key?:" 0 s5 G5 m: \1 ~+ D9 M% \3 D4 b7 T5 u/ V9 _
1/2 3/8 1/4 inch rod couplings can be used in a pinch if you need a hex key or allen wrench. insert rod coupling into hex opening in lug set screw and turn with wrench. / M5 P$ c4 z% G 1 \3 j8 }; B8 F0 I8 M- Z% f