What is the difference between Philips and Posidriv screwdrivers and why are there two variants of crosshead screwdrivers anyway? They seem to be not quite compatible. - Quora
Phillips and Pozidriv cross-head screws – explained in simple terms – PB Swiss Tools
diy/ - Do-It-Yourself
Is it a bad idea to use a Pozidriv screwdriver on a Phillips head? - Motor Vehicle Maintenance & Repair Stack Exchange
Phillips, JIS, and Pozidriv screwdrivers explained | BikeGremlin
Yeah I understand it can be useful, but it doesn't - #134058592 added by xfrankie at didyaknow
JIS vs Phillips screwdrivers and Where to buy a JIS screwdriver. | Helping you work smarter not harder
How does one identify a Pozidriv screwdriver vs. a Phillips?? : MGB & GT Forum : MG Experience Forums : The MG Experience