"No Hex Key?:" & H3 w/ E- C5 Z8 l0 W$ L6 n1 {+ Y8 H( 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. 4 p( [4 x, ?! U( K0 [3 C( {1 m; M: @ b' }5 C- z( \6 Q% Q' B