This 1 inch steel knockout plug is designed for use with tubing and cable, and is sold in a convenient pack of 11. The plug is made from high-quality steel and has a nominal angle of 25°, with a conduit size of 1 inch and a nominal outside diameter of 1.48 inches. It is suitable for use with a range of electrical equipment and supplies, and is manufactured in China. The plug has a snap-in fitting type and a nominal inside diameter of 1.32 inches.

This plug is perfect for use in a variety of industrial applications, and is sure to provide a reliable and efficient connection for your electrical systems. Its brand, Grainger, is known for their high-quality industrial products and this plug is no exception. Whether you're working with tubing and cable, or simply need a reliable plug for your electrical equipment, this 1 inch steel knockout plug is an excellent choice.