Do it Vinyl Insert is designed as a threshold insert specifically for Do it brand aluminum thresholds. This gray vinyl insert measures 1 7/8 inches wide by 36 inches long, making it an i part to maintain the integrity and appearance of your threshold. It comes packaged in a convenient bag with a quantity of one, ensuring you have exactly what you need for your project. This durable vinyl insert helps provide a smooth transition between surfaces while protecting your threshold from wear and tear. Model Number: RV/36HDI