The Performance Tool presents a durable Woodruff Keys Assortment Kit, made of high-quality carbon steel to provide long-lasting performance. With 8 popular sizes included, this kit contains the sizes needed for a variety of applications, making it versatile for professionals and DIY enthusiasts alike. The re-sealable plastic case keeps the Woodruff Keys organized and easily accessible, and each size is labeled on the case for easy identification. Ideal for automotive, industrial, and other applications, this kit is a must-have for those looking for reliable and versatile Woodruff Keys.