supply of 1)tyre defect gauge for wagon, as per indian railway standards made of 3.8 mm/3.1 mm thick stainless-steel plate with laser etched permanent marking used for inspection of condemn flange thickness, root, radius, sharp flange, deep flange, flatness of tread(60mm) etc., of wheel profile as per drawing attached. 2)mechanical folding type wheel diameter gauge 780 mm to 1030 mm (for b.g c&w)1)tyre defect gauge for wagon, as per indian railway standards made of 3.8 mm/3.1 mm thick stainless-steel plate with laser etched permanent marking used for inspection of condemn flange thickness, root, radius, sharp flange, deep flange, flatness of tread(60mm) etc., of wheel profile as per drawing attached. 2)mechanical folding type wheel diameter gauge 780 mm to 1030 mm (for b.g c&w),tyre defect gauge for wagon, as per indian railway standards made of 3.8 mm/3.1 mm thick stainless-steel plate with laser etched permanent marking used for inspection of condemn flange thickness, root, radius, sharp flange, deep flange, flatness of tread(60mm) etc., of wheel profile as per drawing attach ed. [ warranty period: 30 months after the date of delivery ] ] , mechanical folding type wheel diameter gauge 780 mm to 1030 mm (for b.g c&w) [ warra nty period: 30 months after the date of delivery ] ]