Quick fit steel roof bars to fit opel astra sports tourer 2010 on with roof rail g3 quick fit steel roof bars to fit opel astra sports tourer 2010 onwards the g3 quick fit steel roof bars can be securely fitted and locked to your car in matter of minutes they are suitable for cars with solid and raised roof rails and are supplied completely pre assembled ready to use and no tools are required to fit them designed in italy the g3 quick fit steel roof bars have a stylish have an ultra tou