For Volkswagen Transporter T6.1 2003-2021 For Vauxhall Vivaro 2014-2019. Roof Rack Blanking Bolts. These blanking bolts are designed for roof rack pre-drilled holes on your van roof. - Essential Function: Secure roof panels firmly when installing or removing roof racks/rails, prevent roof leaks and structural loosening caused by missing bolts.
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