1. Solid jack base SizePlate SizeFeatureØ30*600mm120*120*4/5mmMaterial:40#,Q235 Surface : Hot Dipped Galvanized ,Electro-galvanized,Painted Standard EN1004:2004,AS1577,BS EN12811-1:2003Ø32*600mm120*120*4/5mmØ34*600mm120*120*5mmØ30*400mm120*120*4/5mmØ32*400mm120*120*4/5mmØ34*400mm120*120*5mm2. Solid u-head jack base SizeU-head SizeFeatureØ30*600mm150*120*50*4/5mmMaterial: ASTM A53,Q235 Surface:Hot Dipped Galvanized, Electro-galvanized. Standard: EN1004:2004, AS1577,BS EN12811-1:2003Ø32*600mm150*120*50*4/5mmØ34*600mm150*120*50*5mmØ30*400mm150*120*50*4/5mmØ32*400mm150*120*50*4/5mmØ34*400mm150*120*50*5mm