IRWIN 1-in Tri-wing Screwdriver Bit (2-Piece) at Lowes.com
Tri-Wing Pan Head Screw _SRWS from NABEYA BI-TECH | MISUMI
Tri-Wing Torx 360 x 50 Screwdriver For PSP, DS Lite, Nintendo Wii, Dsi, NDSL, ND 7437135349323 | eBay
10 PCS for Gameboy Universal Y Tri-Wing Screws Cross X Screws for GB GBA GBC Game Console Shell Case Screw Screws (6pcs Y + 4pcs “X” Screws) : Amazon.co.uk: PC & Video