supply of 1)thread profile 2)gauge for plunger , thread profile gauge external (go & nogo) size - 39 x 3 mm (ring gauge). wear limit - 0.5 mm. ref. drg. no. w/bd - 353 material - tool steel/ stainless steel & hardened supply with calibration cert ficate - valid for min. 01 year issued from nabl approved lab [ warranty period: 30 months after the dat e of delivery ] ] , gauge for plunger face/ face plate 19 mm. wear limit - 11 mm. required size - 1905 mm cur vature gauge with depth measurement ref. drg. no. w/bd - 355 & 359 and sk 94255 & sk 94256 material tool steel, is 3748/90 hardness - 50/55 hrc. supply with calibration certificate - valid for min. 01 year iss ued from nabl approved lab [ warranty period: 30 months after the date of delivery ] ]