Supply Of Bmbc Piston Stroke Gauge As Per The Specifications. Material: Carbon Tool Steel (Is: 3748 / 90), Hardness : 50 / 55 Hrc. Size: 30 Mm & 40 Mm. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 La Cs ] ]