Set includes: MaxxTor Impact Bits Phillips: #1, #2, #3 | Square: #1, #2, #3 | Torx®: T20, T25, T30, T40 MaxxTor Impact Bits have energy absorbing torsion zone for 120 times performance over standard bits Exact fit precision machined tip for reduced cam-out Standard 1/4" hex drive for universal application Available in 1" and 2" lengths for versatile utility