supply of buffer height gauge consisting of foldable track basebuffer height gauge consisting of foldable track base,buffer height gauge consisting of foldable track base and vertical column with a measuring s cale and pointer having cbc height range of 900 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 s toring and transportation. the accuracy of gauge should be plus minus 1.0 mm and to be supplied in elega ntly finished storing and transportation box with carrying handle. [ warranty period: 30 months after the date of delivery ] ]