PUSH TUBE,WELDMENTSpecifications Item Description JLG Parts Push Tube Weldment for use on the JLG 800 Series Boom MEWP(Mobile Elevated Work Platform) Machines. This push tube attaches onto the Fly Boom at one end and the Power Track at the other, allowing the hoses and boom cable to pass through, keeping them protected during machine use. Model Use: 800S, 860SJ. Please ensure proper model and serial range before parts purchase. Skyworks is an authorized reseller of JLG