supply of supply of plastic coversupply of plastic cover,supply of plastic cover for 2 aspect signal unit cover is operated from front side and made of black polyethene sheet of 100 micron size of 1200mm x 460mm x 205mm on back side 75mm wide corner to corner diagonal cross mark of silver color of 100 micron or micron thickness to be provided to the up cov er with signal unit suitable nylon rope of 5mm dia and 4 mtr lenght to be provided on front side and 1.5mtr lenght 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 period: 30 months after the date of delivery ] ] => limited