Do it SAE & Metric Hex Key Set, 22-Piece is crafted from durable chrome vanadium steel, ensuring long-lasting strength and reliability for all your fastening needs. This comprehensive set includes a wide range of SAE sizes, from .050" to 3/8", as well as metric sizes from 1.5mm to 10mm, making it versatile for various projects and repairs. Whether you're working on automotive, household, or mechanical tasks, this hex key set provides the precision and quality you need to get the job done efficiently. Model Number: 315141