supply of inspection gauges , manufacturing and supply of a complete set of inspection gauges as per rdso drg no t-621 5(part) (alt-5) with the latest alt., for 10125mm over riding fan shaped curved switch b.g for 60 kg (uic)/ 60 ei on psc sleeper to rdso drg no. t-4219. one set consists of 1) end template-z (for right side to ngue rail) at point r (a.t.s.) - gauge no. 1/a, 2) end template -z (for left side tongue rail) at p oint r (a.t.s.) - gauge no. 1/b, 3) under cutting of tongue rail foot - gauge no. 2, 4) 13mm head thickness (at 1682 mm from a.t.s.) - gauge no. 3, 5) 12r toe radius at a.t.s. - gauge no. 6, 6) head thickness (at 4244 mm from a.t.s.) - gauge no. 35 (duly packed in well cushioned double decker syste m for easy handling) [ warranty period: 30 months after the date of delivery ] ]