Roof Rack Land Rover Defender 90/110/130 - By Big Country 4x4Welded from purpose designed, custom aluminum extrusions with M8 channels on all extrusions. Expedition grade equipment for the serious adventurer who seeks durability, strength and no compromises. Constructed into a sturdy latticework with dove tailed and welded joints Load bars sandwiched inside perimeter extrusion M8 Channels top and bottom of perimeter extrusion Cast Aluminum corners No rivet nuts used. No rack assembly required, Ready to mount.