"No Hex Key?:"/ W& {$ \6 P: i$ a1 f' U1 L! w# x0 P
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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. 2 d: ]: g; d: F% C6 l9 y# V% r + \ U" ~+ _% N( _' W7 Y* S5 }