High reach demolition boom 1.Good welding,very durable 2.6 months warranty 3.We can arrange worker to install for you High ... boom1.Mainly used for disassembling high buildings2.Made of high strength steel.3.Good welding,high performance4.Accessories:Hydraulic shear,Hydraulic ... 8 meters,choose Hydraulic demolition as the accessory,for high efficiency2.if the building height is over 8 meters, ...