supply of set of screws for locking the sliding doorset of screws for locking the sliding door,set of screws for locking the sliding door on the end walls of the lhb coaches: 1) screw fe male for handle to rcf drawing no. lw56372, alt. nil, qty.-01 no./set, 2) screw male for handle to rcf dr awing no. lw56373, alt. nil, qty.-01 no./set [ warranty period: 30 months after the date of delivery ] ] , handle for locking the sliding door on the end walls of the lhb coaches of rc f drawing no. lw56362, alt. nil (hole size 50% qty. as per drawing & 50% qty. hole size 12mm) [ warranty period: 30 months after the date of delivery ] ]