supply of pad locks 50mm , pad locks 50mm zinc plating, grade - i, ir stamped, [4 levers] steel ring fastened two si ngle bitted keys as per is: 15275-2003(r-2020) shape 3 rd of fig - 2 along with the following componen ts: 1] body : steel sheet as per is : 513. 2] spring : spring steel wire as per is : 4454 - 2001 (r - 2021)( any grade) 3] shackle : bright bar as per is : 9550 - 2024 4] key : steel sheet as per is : 513-2016 (r - 2021). 5] levers : brass sheet as per is :410 -1977 (r - 2021) alloy cu zn 40. 6] rivets : mild steel wire as per is : 280 - 2006 (r -2021) [ warranty period: 36 months after the date of delivery ] ]