JLG Parts Skywelder Kit used on various JLG Boom MEWP(Mobile Elevated Work Platform) Machines. This Kit allows for a Welder to be installed onto machines with welder capabilities. The kit will include a Welder, Leads, and all the mounting hardware necessary to install onto the platform. Model Use: 400, 600, and 800 Series JLG Boom MEWPs. Please ensure correct model and serial break before parts purchase.