"No Hex Key?:" G8 v- J; d2 T; F9 H5 Y
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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. * r9 I, p& j% s7 Q u( \" m" k7 k' }$ f8 v- X