one set of sliding door lh to drg no tlr 5 8 001 col xi alt z with items 10 11 16 to 18 37 54 to 57 61 62 65 6 6 rh to drg no tlr 5 8 001 col xii alt z with items 10 11 17 34 35 37 54 to 57 61 62 65 67 and internal locking arrang ement to drg no slr 5 8 002 alt j col ii and external locking arrangement to drg no slr 5 8 001 alt e col iii warr anty period 30 months after the date of delivery