"No Hex Key?:" f# Q8 o5 Z$ i4 W [7 ~: d& L7 `0 I% X
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. 4 u3 B# q- d8 I% U( z & k5 d8 N& {: H" |$ F- Q( B9 ~9 e