Idec ld9z 6ac4 ld6a screw set for 4 signal elements
Idec tier centre screw set for ld6a series idec ld9z 6ac4 the idec ld9z 6ac1 ld6a is a four tier centre screw set for ld6a series this set is for use with the innovative led signalight towers idec ld9z 6ac4 ld6a screw set for 4 signal elements