The SK Hand Tools 45160 Socket Extension is a high-quality hand tool designed for easy and efficient tightening and loosening of nuts and bolts. Made by the reputable brand SK, this 3-inch extension with a 3/8-inch drive size is perfect for extending the reach of your socket wrench. The silver color and standard length make it easy to spot and use in various applications. Proudly made in the United States, this durable and reliable tool is a must-have for any workshop or tool collection.