"No Hex Key?:" k1 F- ]$ m( F7 [6 T
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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. 5 ]+ e; u; K5 S. p$ O! s" S1 A; F