Vantech Stainless H1 Rack 3 Bar System for a Ford Econoline 1992-On Maximum weight capacity 900 lbs. Heavy Duty Stainless Steel System with Polished Finish Stainless steel clamps directly onto gutter rails for drill free installation Sturdy system weighing in at 40 lbs. for a 3 bar system Plastic non-slip bar guards prevent scratching to cross bars