Designed for heavy-duty screwdriving work and long-lasting drilling in metal. Do you need a set of strong screwdriver bits and metal drill bits to complete your interior work? Then the PRO Impact Metal is the right choice. The screwdriver bits are made of modified steel for greater stability. The laser markings allow you to select the bit you need in no time at all. The drill bits are made of HSS-G material so that you can work on metal with ease. The PRO Impact Metal Set is a good choice for interior fitters and plumbers who need reliable screwdriver bits and drill bits. The screwdriver bits have a torsion zone, torque loads are absorbed at the tip of the bits to ensure they do not break. The bits have colour-coded rings to indicate the head type and laser markings to help you choose. The high-speed steel metal drill bits are ground for durability and precision. The set comes in a pick and click case to keep your bits well organised. Impact resistant 1/4 inch hex shank for use with impact wrenches and drill drivers.