"No Hex Key?:" ' R# ~" p1 v' f* A: o7 O8 w+ a- e$ t/ ^; n% C$ ^
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. , a9 @8 W `0 O: D/ ?# t- s