"No Hex Key?:"! q8 B; A+ P' a8 T* `. f) O2 R
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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. * D/ J0 |: |0 X6 R6 d