This is a complete kit which includes the bars and all the fixings required to fit it to your vehicle, there is nothing extra required. These bars are strong, durable and easy to fit.lockable with 2 keys supplied suitable for most vehicles with original raised rails conforms to ce standards multi fit complete kit, nothing extra is required easy to use, easy to fit strong durable bars steelsuitable for vehicles with raised roof rails fitted as standard.not suitable for vehicles with solid roof railslightweight durable, heavy duty aluminium designmaximum load weight 75kglockable sum 002 length 1.2m