"No Hex Key?:" . |' @8 R2 E% r3 h- ^- z' h" l, q) q: U' o; B' }1 v
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. % u5 H% b4 E: n