"No Hex Key?:". h0 T1 h8 y4 Y/ |* r0 _ D' O0 h
5 P! S9 y% F9 J) U; P4 z3 A
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. " [2 p. G) r4 M4 Z d3 F. R% c% b0 I7 r7 P8 |7 R