Designed for heavy screw work and precise drilling in wood. Do you need a set of sturdy screwdriver bits and wood drills to complete your interior construction projects? Then the PRO Impact Wood Set is the right choice. The screwdriver bits are made from modified steel for increased durability. With the laser markings, you can quickly select the required bit. The drills are made from HSS material, allowing you to work with wood effortlessly. The PRO Impact Wood Set is an excellent choice for interior builders and installers who need reliable screwdriver bits and drills. The screwdriver bits feature a torsion zone that absorbs torque stresses at the tip of the bits to ensure they do not break. The bits have color-coded rings that indicate the type of head and laser markings to assist you in selection. The drills are made from HSS steel for long-lasting use and include a wood spiral drill for precise hole drilling. Impact-resistant 1/4-inch hex shank for use with impact wrenches and drill drivers.