3pc. Tri-Wing Reversible Driver Set; #0 & #1, Pollicis.
The Tri-Wing Security Screwdrivers are similar to Phillips drivers, but its tips have three wings/blades rather than four. These specialized screwdrivers are essential for cell phone repair technicians, camera repairmen and those with wishing to make after-market addition to certain handheld video games.
Some of the products which use the Tri-Wing fasteners: Nintendo Game Boy Advanced and Game Boy Advance SP, Sanyo and Kyocera cell phones, and Fuji Digital Cameras.
Tri-Point.