"No Hex Key?:"' z& `7 y+ f& ~! ?. q/ F
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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. & j7 q- L" G9 S, [& f) h 9 U7 {4 d" X# M7 d' s& U