Vantech H2 ladder roof rack 60" bars 110.25" Cargo Rails for 07-On Sprinter High Top A285 Crossbars are reinforced aluminum with channels for accessories Read factory specs for max weight capacity Cross bars are spaced 17.75" apart (from their center) Requires Sprinter roof tracks for install. Vantech part number R20, R21 System includes 8X 60" crossbars, 6 mounting base, Cargo Rail (110.25")