supply of buffer height gauge consisting of foldable track base and vertical column with a measuring scale and pointer having cbc height range of 900 to 1140mm and track distance measuring range of 1676(-10mm/+20mm).buffer height gauge consisting of foldable track base and vertical column with a measuring scale and pointer having cbc height range of 900 to 1140mm and track distance measuring range of 1676(-10mm/+20mm).,buffer height gauge consisting of foldable track base and vertical column with a measuring scale a nd pointer having cbc height range of 900 to 1140mm and track distance measuring range of 1676(-10mm/+20 mm). the column should have a verticality bubble and is foldable for compactness and ease in storing and trans portation. the accuracy of gauge should be plus minus 1.0 mm and to be supplied in elegantly finished storing an d transportation box with carrying handle.make- jyoti model bhg-3 or similar [ warranty period: 30 m onths after the date of delivery ]