.050″ aluminum door is hinged to frame, providing quick and easy access to fuel cells, dry sump tanks or any other component. Comes with natural finish so you can anodize or paint to match car color. Door held securely closed with self-ejecting, flush-head fastener. Includes all mounting hardware. 6″ x 6″ door, 8-1/8″ x 8-1/8″ overall.