"No Hex Key?:" 1 n6 ^7 y. a/ E) Y4 a( L% } k L: @9 q- m
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. * m3 v5 S( K% d1 [$ x# m0 U + \* ^. F! |6 {3 F