3-Point design to hold the AVICS intake camshaft pulleys when removing or installing the central bolt Avoid damage to central pulley Similar to Subaru OEM #499977500 Applications include: Impreza WRX STI (2004 & Up) Impreza WRX (2006 & Up) Forester XT (2004-2011) Legacy GT (2005-2010) Outback XT (2005-2010) Baja Turbo (2004-2006) Saab 9-2X Aero (2006)