About this item Quality Carbon Steel - Forged with carbon steel, provides high hardness, high torque and good toughness. Surface Treatment - Nickel plated for long lasting protection and wear-resistant. L Shape Design - provides a firm grip and gives you more turning power for easy turning 6-Point Socket - Can fit tightly to the hexagon of the fastener head so that the maximum torque can be applied without slipping. Widely Use - Applied in DIY hand-making, household maintenance, and most general repairs.