Your Mercedes GLB was made to be versatile, effortlessly changing from family hauler to capable off-roader. This Slimline II Roof Rail Rack Kit adds even more versatility to your adventures by adding valuable cargo carrying space on the roof and 55+ accessories to choose from.-KRMG011T - Mercedes Benz GLB (X247) (2019-Current) Slimline II Roof Rail Rack Kit - by Front Runner Consisting of: 3 x GOFR001 - Rail Foot Base (Pair) - by Front Runner3 x GORR052 - Raised Rail Outer Grab-On / No. 3 - by Front Runner3 x GORR074 - Raised Rail Inner Grab-On / E - by Front Runner2 x RRAC904 - Plastic Spacer for Foot Rail Base / 10mm (pair) - by Front Runner1 x RRSTA07 - Slimline II Tray - 1165mm(W) X 1358mm(L) - by Front Runner1 x WDST011 - Wind Deflector 20mm Lip Extra Narrow Pair / 1165mm(W) - by Front Runner Material used: Black epoxy powder-coated T6 aluminium3CR12 Stainless Steel Approximate Installed Weight 24kg (52.9lbs) 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 440mm (17.3'')Length 1730mm (68.1'')Height 150mm (5.9'') Shipping Weight: Weight 25.8kg (56.9lbs)