"No Hex Key?:" 5 i$ R+ J6 X1 k! f- P+ o* o' l: o" R2 g7 n5 `& [% o4 ?6 Q
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. % K" Z/ ^# \' U7 d% x: ?' j) ?7 m% s2 p; x1 ~