supply of one time lock/pad lock seal (otl) & pad locks 50 mm with 3 keys. , one time lock/pad lock seal (otl). specification- (1) material of hook- galvanized iron (gi) (2) wire diameter of hook- min 4 to 5mm. it can be locked by pressing the metal portion towards plastic enclos ure and which can be opened only by breaking its plastic body and cannot be reused. stenciling should be black in colour done as cdo/pui with continuation of serial number starting from 00001 on the plastic body. colour- fluorescent orange/fluorescent yellow. [ warranty period: 30 months after the date of delivery ] ] , pad locks 50 mm with 3 keys, long shackle, 7 levers confirming to is:275/1982 reaffirmed 1994, make- benjo/godrej or similar [ warranty period: 30 months after the date of delivery ] ]