Durable – Crafted from chrome vanadium steel, our hand tools set is forged, hardened, tempered and a blackened finish, providing added corrosion protection. Enjoy durability and reliability with these high-quality tools. Effective – Featuring chamfered ends, allowing for easy insertion into bolds and screws. Enhance your efficiency and precision with smooth operation. Versatile – Includes sizes from 1/16 to 5/16 making sure that no task is too big or too small ensuring high versatility., Weight: 0.5732018812 pounds, Manufacturer: Draper