Unit consists of Steel Bearing Plates 25 mm thick of 75, 60, 45 and 30 cm dia Plain and Chequrred. Bridge support complete with two dial guage clamps.Hydraulic Jack 50/tonnes capacity complete with 2 meter steel pipe connection with separate pump and pressure guage.Ball and socket for the jack.Load Truss complete with four soil anchors and working collors. Capacity 20 and 30 ton.Dial guage .01 mm least count.