The Dewalt Maxfit Drive Guide Bit Set includes 13 pieces of S2 tool steel drill bits with a magnetic feature, perfect for screw applications. The set is designed for use with a rotary tool and is suitable for various drilling needs. Manufactured by DEWALT, the bits come in original DeWalt colors of black, silver, and yellow, with a sturdy steel construction for long-lasting performance. This set is a reliable choice for DIY enthusiasts and professionals alike looking for high-quality drill bits.