This 1560mm/61.4'' long full-size Slimline II cargo carrying roof rack kit for the Hummer H3 contains Slimline II Tray, Wind Deflector, 2 Tracks, 12 Large Stud Plates and 6 Feet.KRHU001T - Hummer H3 Slimline II Roof Rack Kit - by Front Runner Consisting of: 1 x FASS011 - Stud Plate Kit / Large Set of 12 - by Front Runner3 x FASS012 - Foot Set / 40mm-50mm - by Front Runner1 x RRSTG08 - Slimline II Tray - 1345mm(W) X 1560mm(L) - by Front Runner Material Used:Black epoxy powder - coated T6 aluminiumHigh strength steel Approximate Installed Weight: 27.5kg (60.7lbs) The t-slots on the tops and bottoms of the rack tray slats and edge profiles accommodate standard 8mm bolts. To determine the approximate height from your vehicle's roof to the top of your Slimline II Roof Rack, add the height of the Slimline II Tray (50mm/2'') to the height of the Foot, Grab-on Foot or Strap-On Foot listed above. If your Slimline II Roof Rack kit uses Legs, add the height of the Slimline II Tray (50mm/2'') to the height of the Legs to determine the height of the rack from your vehicle's rain gutters. If your Slimline II Roof Rack kit uses Foot Rails, add the height of the Slimline II Tray (50mm/2'') to the height of the Foot Rails to determine the height of the rack from the crown (highest point) of the vehicles roof. Shipping Dimensions:Width: 450mm (18.0'')Length: 1615mm (64.0'')Height: 140mm (6.0'') Shipping Weight:31.9kg (70.0lbs)This 1560mm/61.4'' long full-size Slimline II cargo carrying roof rack kit for the Hummer H3 contains Slimline II Tray, Wind Deflector, 2 Tracks, 12 Large Stud Plates and 6 Feet. All Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle.All Front Runner Racks are backed by a Limited Lifetime Warranty*