446-1-PZDX Apex Pozidriv ®, 1/4” Drive, #1 Insert Bits, Limited Clearance. Apex Pozidriv ® Screwdriver Bits are designed with a shallow cross indention in the screw head. Apex Pozidriv ® Screwdriver Bits and their recess design provides better contact than a regular Phillips Bit for more torque. Apex Pozidriv ® Screwdriver Bits are sometimes misspelled as Pozidrive Bits. Apex Pozidriv ® Screwdriver Bits advantage over Apex Phillips Screwdriver Bits is its decreased likelihood to cam out which allows for greater torque to be applied.