With a hardness of 58 - 62HRC, these hexagon screwdriver bits are ideal for most general purpose applications. Manufactured from a high alloy chrome molybdenum steel to ensure strength and longevity, each bit is ideal for use on both hand and power tools. Available in a varity of tip sizes to suit a range of uses. Features and Benefits • Manufactured from chrome molybdenum steel for durability • Can be used on both hand and power tools making for a versatile product • Available with varying tip sizes to allow you to select the product that best suits your needs Typical Applications • Ideal for use with hand and power tools in the following industries: • Construction • DIY • Electrical • Plumbing • Automotive • Engineering