"No Hex Key?:"- d9 q/ g9 l0 c' h
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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. ! |) U8 R2 R! ]# q3 \9 n- x ! d: ]5 E9 c D+ r; ~8 X