One Time Lock (Otl). Specification- (1) Material Of Hook- Galvanized Iron (Gi) (2) Wire Diameter Of Hook- Min 4 To 5Mm. For Equipment Cage L Ocking Purpose As Per Drg. No. Cws/Bct/11/01 Clour- Yelloy/Orange/Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]