supply of digital wheel diameter gaugedigital wheel diameter gauge,mechanical wheel diametr gauge (folding type) for measurement of wheel measuring r ange:700 to 1100 mm, least count:0.1 mm for b.g coaches/wagons (blc boxn & bcn) along with calibra tion certificate and packed in storage wooden box. [ warranty period: 30 months after the date of delivery ] , digital wheel diameter gauge (folding type) for measurement of wheel measuring rang e:700 to 1100 mm, least count:0.01 mm for b.g coaches/wagons (blc boxn & bcn) along with calibratio n certificate and packed in storage wooden box. [ warranty period: 30 months after the date of delivery ]