The 10pcs 1/2 Inch Electric Sleeve Tool is an essential hand tool for any mechanical work. Made of durable carbon steel, this impact wrench adapter is designed for heavy-duty use. It comes in a set of 10 pieces, allowing for a variety of sizes ranging from 8-24mm. With both metric and standard measurements, this tool is versatile and compatible with different systems. The 1/2 inch size ensures compatibility with a variety of machinery and equipment, making it a must-have for any home or workshop.