, i Y. Y$ E6 j0 S2 x9 }+ J4 _% M1/2 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. L5 t# D( ^" _5 M( w0 C, M$ O. l ) m$ `4 E8 k' t, p' ~( [