Feature 1Compatible with most vehicles, strictly certified to maintain safe driving. Ensure your safety. 2A good replacement on the market for your old, broken, dirty automobile seat belt connector. 3It has the characteristics of antifading and antirust, so it can be used with confidence. 4Adopting highquality steel and plastic materials, durable and stable performance. 5Easy to install, black wire is connected to the negative pole of the power supply and red line is connected to the positive pole.Item Type: Seat Belt BuckleMaterial: Steel + PlasticSize: Approx. 19 x 5 x 2.1cm/7.48 x 1.97 x 0.83inFitment: For CarWiring Instructions:The black wire - the negative pole of the power supplyThe red wire - the positive pole of the power supply .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 List1 x SeatBelt Buckle