"No Hex Key?:" 0 R- x( R( ^- r3 e/ S6 V* ^0 a# j6 g/ J- u6 L
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. 9 y8 r J) W* z7 B4 S' S+ h( N! K) { 8 N6 ?9 R" ` l6 e, S