Hexagon Head Screw (M20 X 65-8.8), Hexagon Nut M20-8 & Spring Lock Washer B20 For Vertical Damper Fixing. Drawing No:- T-0-5-673 , Alt.(D), Items-1, 2 & 3 Special Term & Condition:- As A Dvised By Icf Vide Note No.2 Of Relevant Drawing, Screw (Item-1) Shall Be Of Make/Brand Of Tvs Or Dfl Or Unbrako Or Tuff Only. [ Warranty Period: 30 Months After The Date Of Delivery ] ]