tender for plastic cover for 2 aspect signal unit cover operate form front side and bottom side made of blackpolythene sheet of 1000 micron thickness size 1200mm*205mm*460mm on back side 75 mm wide corner silvercolours of 100 micron thickness with to be provided tie up cover with signal unit suitable nylon rope of 5 mm diaand 9 meter lenght to be provided superior quality.
