Unleash the potential of your window and door installations with the Prime-Line 0.25 in. x 250 ft. Roll Black Spline. Ideal for a variety of spline applications, this black spline is designed for durability and a snug fit, ensuring your fixtures operate smoothly and seamlessly. With a generous 250-foot length, this roll provides ample material for multiple projects. The sleek black color offers a versatile aesthetic that complements any window or door frame. The product's MPN is P 7604, and it comes with a single pack of splines, making it a straightforward addition to your home improvement toolkit.