"No Hex Key?:"" J X, }4 B2 n! 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. * ^6 J7 L9 j+ H$ k3 `! w" v- R4 |1 S7 a, r