"No Hex Key?:": p2 X( N e; S/ k' ?" H5 a7 f
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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. , H) s8 y: u3 O4 b% A