The DEWALT Impact Driver Bit Set with Magnetic Tough Case includes 15 pieces of carbide-tipped drill bits in solid construction. The set features a 1/4 inch or 3/8 inch head size, housed in a yellow magnetic tough case for easy storage and organization. This versatile set is suitable for a variety of uses in construction and home improvement, making it a reliable tool accessory for any workshop. Made by the trusted brand DEWALT, these drill bits are a classic style with a hex head design, perfect for a range of drilling tasks.