"No Hex Key?:" 0 ]+ D: K# O. K7 H8 V9 I. J; C' b$ O4 m- C5 u9 ]* 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. ) e5 J" {, `: z' w% A