Feature 1With recessed design, fit for Optima specific batteries, such as for Red top 34, 34/78. 2Comes with complete mounting hardware, easy to install , save time and effort. 3Made of 6061T6 CNC aluminum alloy, rugged, anticorrosion and durable. 4Wonderful replacement for the old or damaged battery tray. 5Built to meet standard specification, strictly follow factory quality control.Item Type: Battery TrayMaterial: 6061-T6 CNC Aluminum AlloyColor: SilverSize: Approx. 11.2 x 7.9 x 0.3inFitment:Compatible with common for Optima battery sizes:for Red top: 34, 34/78 (DOES NOT FIT 34R)for Yellow top: D34, D34/78 ( DOES NOT FIT D75 GROUP SIZE 75)for Blue top: 34M, D34M(may fit other for Optima battery sizes) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List3 x Fixing Bracket20 x Mounting ToolsNote1. Battery is NOT included in this sale. This is only for the battery tray.2. Professional installation is highly recommended