The Medium Key from PRO-FLEX LLC measures 9-1/2" long and features a dual-socket design of 5/16" x 1/4", making it a versatile tool for various applications. Constructed from chrome-plated zinc, this key offers durability and resistance to corrosion, ensuring long-lasting performance. Its design allows for easy handling and operation, making it suitable for both professionals and DIY enthusiasts. This medium key meets industry standards for quality and reliability, making it an essential addition to any toolkit for automotive and mechanical tasks.