supply of mechanical type wheelmechanical type wheel,mechanical type wheel distance gauge duly calibrated equivalent to pie make model wg-1(v ) with all metal construction fitted with vernier and measuring the wheel distance of rolling stock wheel set s with 0.1 mm resolution. supplied in light weight, wooden storing & transportation box with carrying handl e with working manual. specifications:-1. accuracy- +or- 0.1mm 2. least count- 0.1mm 3. range- +or- 10 mm(from standard) 4. 0 set at (standard setting)- 1600mm 5. weight 2.1 kg (+/- 100gms.) 6. measuring ti ps (left & right)- made of carbide 7. construction- all metal construction 8. levelling: spirit level to be attac hed with the instrument 9. the measuring scale to be in graduated in 01mm and should read 0.1mm with vernier scale. make : mec or similar. [ warranty period: 30 months after the date of delivery ] ]