SPK36080 Knuckle Boom Truck Mounted Crane 1:Equipped with load holding valves for safe crane operations 2:High speed boom extension and retraction with Return Oil Utilization 3:Optimized lifting performance with the use of high tensile steel and hexagonal boom design 4:Lightweight yet robust construction according to European standards(EN12999) 5:Optional Overload Protection and Emergency Stop Button 6:Professional installation solutions 7:Suitable for installation on 3-axle trucks