We provide Tender Bidding Support for Supply of Screen Glass For Welding Hand Shield, Shade: Din 13, Size: 108 X 83 Mm, Thickness: 3Mm. Materi Al Specification: A Standard To Be Complied To Is: 5983/1980 B It Shall Be Free From Optical Defects, Lens Or Prism Defects And Shall Be Of Uniform Surface C The Filter Lenses Should Have Clear Marking Of Din And Shade Number Engraved On It Packing: The Glass Shall Be Supplied With Good Quality Box For Protection From Damage. Warranty Period: 30 Months After The Date Of Delivery