Idec ld6a base module for led signalight towers idec ld6a 0gqw the idec ld6a 0gqw is a base module for use with the signalight towers from the ld6a series this base module was specifically created with a modern design for frame mounting and compliments the led modules this module is supplied with a steady lightthe modules oval shape presents a stylish image on all equipmentsupplied with silver screws and washers4x m4 screw4x m4 spring washer 4x m4 plain washer2x m5 screw 2x m5 spring wa