GM Venture Century Regal Savana White Nylon Door Panel Retainers (GM # 10285935) - Package of 20 GM Venture Century Regal Savana White Nylon Door Panel Retainer Clips 10285935 Buick Century & Regal,Chevrolet Venture,GM Truck Express/Savana,Olds Silhouette & Pontiac Trans Sport Top Head Diameter: 18MM, Bottom Head Diameter: 20MM Stem Diameter: 8MM, Stem Length: 24MM Pack of 20