-- Specifications & Features -- Make: unknown. Model: unknown. Drive Type: Hydraulic. # of Strands: 4. Solid Decking: no. Rooftop Chain: yes. Width: 11'. Length: 17'. Height: 32". -- Seller Statement -- Green chain 11'x17' rooftop chains Riggers fee $300.00 -- Contact -- Specialist: Eugene Hochstetler, 574-242-1100.