"No Hex Key?:" 1 a5 |8 J" c4 n( {7 m4 [ G+ p) N" Y) U; \& @8 |' Z+ [
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. ' U: E f/ `7 D, C; y! F8 \