Material – Made of 45 carbon steel, nickel-plated surface, high hardness, durability, corrosion resistance and wear resistance.Features – The screwdriver head is magnetic, which can firmly absorb the screws when used, not easy to fall off and lose, and improve work efficiency.Application – Widely used in home repair and installation projects, such as repairs of doors, cabinets, computers, toys, pipe installation, home appliances, bicycles and cars, etc.Note – Please apply appropriate force when using. Too little force will cause the screws to fail to tighten, and too much force may damage the screws or items.