Used with Dodge caravan with 24' and 6' ladders. Good condition. Full complect. Mounts onto roof of vehicle (drilling required for installation) 17 Gauge (1.35mm actual) Steel construction provides 350lb Max. loading capacity 1.2" diameter cross bars;Length adjustable from 35" to 57" 11 gauge high strength steel mounting base 4" total height clearance The Steel DX36 is a universal rack system that can be installed on any vehicle with or without drip rails(drilling required). All steel systems are galvanized and powder coated for superior protection. The extra wide mounting base uses polyfoam gasket and interior plate to secures the rack system onto the vehicle. Cross bars are made with 17 gauge steel and mounting bases are made with 11 gauge steel. The max load capacity for this 2 bar system is 350 lbs.This system is Powder Coated Matte White.