This blue plastic knob with a metal clamp is a practical and versatile product. Its rounded triangular shape ensures an easy grip, while the rubber spacer strip allows for a tighter clamp fitting. The package includes installation hardware and a rubber spacer strip. With a size of 1-1/4 inch diameter clamp ring, 2-1/2 inch width, and 3-1/4 inch height, this product is perfect for various applications. Its durable material and user-friendly features make it a reliable choice for any project.