Tenders for Supply of Set Of Miscellaneous Items For Q-Type Relays. 1 Set Consists Of Following Item A. Special Screw For Q-Type Relay- 01 No Drg. No.- Sw/Qr/96/12, Alt-3 B. Locking Collar For Q-Type Relay- 01 No. Drg. No.- Sw/Qr/9 0/24, Alt-1 C. Helical Compression Spring For Q-Type Relay- 01 No. Drg. No.- Sw/Qr/90/23, Alt-2 Warranty Peri Od: 30 Months After The Date Of Delivery