1. S2 steel, combining hardness and toughness
2. 7 in 1 bit set, covering all commonly used sizes
3. Enhanced smooth bearing for smooth rotation
4. Ergonomic handle for comfortable use even during extended periods
5. Anti-slip shaft for a firm grip even with sweaty hands
6. Precise fit to minimize the risk of stripped screws
7. Rotating cap design for easy use by various hand sizes
8. Perfectly fits the hand shape for precise repairs in various scenarios