supply of mechanical track jack 15 ton capacity . details specification of mechanical track lifting j ack non infringing ( rack and pawl type ) ( 1 ) capacity : top 08 ton, toe 07 ton = 15 ton, ( 2 ) lift : 100mm ( mini mum ) , ( 3 ) height of top of jack in lowest position : 250mm ( maximum ) ( 4 ) height of toe of jack in lowest positio n: 120mm ( maximum ) , ( 5 ) lift of stroke of the operating lever: 13 to 15 mm, ( 6 ) area of base plate : 300 mm ( l ) x 155mm ( b ) , ( 7 ) length and size of operating handle : 30mm round, 1250mm long, ( 8 ) weight of without handle : 20 kg maximum, ( 9 ) manpower required for operation : two. make / brand: aret / make or similar type. [ warrant y period: 30 months after the date of delivery ]