supply of center buffer height gauge consisting of foldable track base and vertical column with a measuring scalecenter buffer height gauge consisting of foldable track base and vertical column with a measuring scale,center buffer height gauge consisting of foldable track base and vertical column with a measuring scale and pointer having cbc height range of 900mm to 1140mm and track distance measuring range of 1676(- 10mm/+20mm). the column should have a verticality bubble and is foldable for compactness and ease in storing and transportation. the accuracy of gauge should be (+/-) 1.0 mm and to be supplied in elegantly finished storing and transportation box with carrying handle along with calibration certificate and guaranty card. make- pie or jy oti enterprises model no.-bhg-3 or similar [ warranty period: 30 months after the date of delivery ]