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Review on Irwin Tools 1837375 Performance Phillips: Unleashing Optimum Performance by James Trapkin

Revainrating 5 out of 5

Good tips, I've used the same for several.

Good bits, I've been using the same for a few days, it fits the small #1 Phillips very well and hasn't started to round or loosen screws. I really wish manufacturers would stop using such tiny sized screw heads for most things (especially the soft screws they all use!). But if you see a lot of Phillips #1 screws, that's decent advice.

Pros
  • Screwdriver bits can handle high torque
Cons
  • Have doubts