This 2166mm/85.3'' long full-size Slimline II cargo roof rack kit contains the Slimline II Tray, Wind Deflector and 2 Foot Rails to mount the Slimline II Tray to your Land Rover Discovery LR3/LR4. It easily installs using the existing factory mounting points. No drilling required. nAll Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle. The vehicle specific foot rails have openings for storing compatible gear under the rack such as Front Runner tables.If your vehicle has a DAB antenna, the tables can be inserted from either the right hand side or the left hand side of the roof rack to steer clear of the DAB antenna. If your vehicle does not have a DAB antenna, you may also orientate one table to mount from the rear of the roof rack.**Please note. This Rack kit is not compatible with the Land Rover factory OEM Ladder. Consider purchasing the Front Runner Ladder for Land Rover Disco 3,4 / LR3, LR4 instead. (Part #LALD004).These Foot Rails contain 2 openings to access Front Runner under rack mount tables (1 smaller TBRA018 and 1 larger TBRA017).All Front Runner Racks are backed by a Limited Lifetime Warranty*