long-reach boom and arm: 1.All surface are sand-blasted to ensure the maximum painting adherence. 2.Its spaced out by inside at short interval for reinforcement purpose. 3.A lifting lug on the top for the convenience of installation. 4.Thickness of the wall vary to suit to different applications. 5.All lubricating pipe ,oil pipe, oil-hose,linkage,pins are provided as standard supply.
