2 z9 Y. l" T' z |: `6 ^) ?' M4 E1/2 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. 5 |$ G* _0 B2 H; n; `+ O9 Z 7 Q' C" O: {' A8 z; Y( t