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Phillips Screwdrivers #1
- Phillips® Tip Screwdrivers with #1 points are used on cross-slotted screw heads with modified U-shaped slots of uniform width.
- They are also called P1 or #1P headed screwdrivers tips.
- Similar tip configurations include Frearson tips that have cross slots that are V-shaped slots with tapered sides, and the Pizidriv® with additional, smaller slots at 45-degree angles to the main cross slots.