"No Hex Key?:"4 q% s& Q9 b7 V8 j% l0 M$ A
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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 n# a3 Y% e" I5 Q- S# w- T9 W6 U- ~3 d" r