supply of portable wheel diameter gauge, suitable , portable wheel diameter gauge, suitable for open wheel sets showing the reading of wheel d iameter directly on scale coated with anti- reflection material for clear visibility. the gauge is suitable for o pen wheels sets only. supplied in nicely finished wooden storing & transportation box with carrying handle. make- pie, bpi or tesa only with tender specific authorisation. specifications: measuring ranges: 800 to 10 10 mm, measuring accuracy: +0.1mm, least count : 0.1 mm along with. 1) calibration certificate from gov ernment. approved laboratory & 2)warranty certificate: at least 1 year of warranty. 3) supplier must have s uccessfully supplied any type of wheel gauge to any depot of indian railways, offer will be passed on, if doc uments for successful supply are not made available. [ warranty period: 12 months after the date of deliv ery ] ]