"No Hex Key?:" 2 U2 ?& {, a K2 @2 M5 B- b/ n8 d9 U+ m% h4 ?7 e
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. * N+ G2 d9 V6 z: U/ M