The product is a contact cable slot flex specifically designed for the Tamron RXD 28-75 G2 28-75 second-generation lens. It is a single unit made in China and is compatible with digital SLR cameras. The flex is used for maintaining electrical connectivity within the lens, ensuring proper functioning of the contact points. It is a genuine Tamron product, suitable for replacing damaged or malfunctioning flex cables in the lens for optimal performance.