"No Hex Key?:" , b7 x, q8 |# i9 `6 t+ w$ R" L; L* X; G
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. ! }$ [/ q( Y4 h! D & v" r7 |- D; a- O) Z