supply of supply of plastic cover for 3 aspect signal unit coversupply of plastic cover for 3 aspect signal unit cover,supply of plastic cover for 3 aspect signal unit cover is opened from front side and bottom sid e and made of black polyethene sheet of 100 micron thickness size 1300 x 460mm x 205mm on back side 75mm wide corner to corner diagonal cross mark of silver color of 100 micron thickness to be provided to t he up cover with signal unit suitable nylon rope of 5mm dia and 4mtr length to be provided on front side an d 1.5 mtr length at center. approval of material sample should be taken from consignee before bulk supply. material should supply at consignee depot sse/s/m/jbp . this item is not available in gem . [ warranty per iod: 30 months after the date of delivery ] ]