Tender For supply of fibre hand shield for annual rate contract welders confirming to is:1179/67 (ra 2019) along with filter size 105 mm x 80 mm x 3.175 mm confirming to is: 5983/1980 (ra 2018) with shade number 10 and filter cover (clear glass) 2 nos to size 105 mm x 80 mm x 2 mm thick to specification is: 2835/1987 (ra 2018) a quality. [ warranty period: 30 months after the date of delivery ]