supply of 1) digital buffer height gauge, model bhg-3 [digital buffer height gauge, model bhg-3 (cbc-e), the gauge consists of a foldable track base and a vertical column fitted with a pointer. this column has a verticality bubble and is foldable for compactness. display: digital lcd display, the accuracy of gauge : +/- 0.2 mm, measuring range : 900 to 1140 mm, least count: +/- 0.1 mm. with calibration certificate.] 2) buffer height gauge for measuring side b [buffer height gauge for measuring side buffer height, accuracy of gauge is (+/-1.0 mm), measuring range 900 to 1140mm, should be supplied in finished storing & transportation box with carrying handle with calibration certificate model no. bhg-1(o) of pie make or similar.]1) digital buffer height gauge, model bhg-3 [digital buffer height gauge, model bhg-3 (cbc-e), the gauge consists of a foldable track base and a vertical column fitted with a pointer. this column has a verticality bubble and is foldable for compactness. display: digital lcd display, the accuracy of gauge : +/- 0.2 mm, measuring range : 900 to 1140 mm, least count: +/- 0.1 mm. with calibration certificate.] 2) buffer height gauge for measuring side b [buffer height gauge for measuring side buffer height, accuracy of gauge is (+/-1.0 mm), measuring range 900 to 1140mm, should be supplied in finished storing & transportation box with carrying handle with calibration certificate model no. bhg-1(o) of pie make or similar.],digital buffer height gauge, model bhg-3 (cbc-e), the gauge consists of a foldable track bas e and a vertical column fitted with a pointer. this column has a verticality bubble and is foldable for compa ctness. display: digital lcd display, the accuracy of gauge : +/- 0.2 mm, measuring range : 900 to 1140 m m, least count: +/- 0.1 mm. with calibration certificate. [ warranty period: 30 months after the date of d elivery ] ] , buffer height gauge for measuring side buffer height, accuracy of gauge is (+/-1.0 mm), mea suring range