Check your eligibility criteria for tender Supply of Circular Sight Glasses As Per Enclosed Technical Specification Annexure A, 101 Borosilicate Toughened Glass Round Type 50 Mm Dia X 12 Mm Thickness Borosilicate Toughened Glass Round Type 80 Mm Dia X 20 Mm Thickness Borosilicate Toughened Glass Round Type 70 Mm Dia X 15 Mm Thickness Borosilicate Toughened Glass Round Type 60 Mm Dia X 15 Mm Thickness Borosilicate Toughened Glass Round Type 55 Mm Dia X 12 Mm Thickness Borosilicate Toughened Glass Round Type 45 Mm Dia X 12 Mm Thickness Borosilicate Toughened Glass Round Type 100 Mm Dia X 15 Mm Thickness Borosilicate Toughened Glass Round Type 170 Mm Dia X 12 Mm Thickness Borosilicate Toughened Glass Round Type 65 Mm Dia X 12 Mm Thickness Borosilicate Toughened Glass Round Type 100 Mm Dia X 12 Mm Thickness