"No Hex Key?:": _# U& {2 P% A. k7 N6 [1 W
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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. ' T. K! G5 K/ I* L- g! n- i 4 i/ Q+ C6 M0 `