supply of blade adjustment levers with its accessories (levers, cams, rollers, support plates), part no.-blas1620, make-abl engineering, required for nc shearing machine.] , blade adjustment levers with its accessories (levers, cams, rollers, support plates), part no .-blas1620, make-abl engineering, required for nc shearing machine. [ warranty period: 12 months aft er the date of delivery ] ] , oil seals for hold down cylinder, part no.-hs1620 make-abl engineering, required for nc she aring machine. [ warranty period: 12 months after the date of delivery ] ] , oil seal for main cylinder, part no.-mc1620 make-abl engineering, required for nc shearing machine.. [ warranty period: 12 months after the date of delivery ] ] , stopper of back gauge with its attachments, part no.-bs-302, make-abl engineering, require d for nc shearing machine. [ warranty period: 12 months after the date of delivery ] ]