Pachislo Slot Machine Door Lock / Key, 3.25" O Hook. Originally from Gundam (Transformers, Luster). O Hooks are usually installed with the smaller of the two prongs on the top when installed in machine. Can be used in many machines including: Arex, Aruze 1999 Arex X, Aruze 1999 Azteca, Eleco 3 4 Reel Baby Angel, Macy 1997 Bio Messiah, Aruze 1999 Bonus Ship, Eleco 1997 Casino Freaks, Eleco 2002 CC Angel, Macy 1996 Cherry Twelve, Aruze 1998 Chrystal Stained, Mizuho 1999 Climax, Aruze 2001 Continental XXXX Cranky Contest, Aruze 1998 Crazy Shaman Crime Night, Aruze 1999 Cyber Dragon Dekakel, Aruze 2000 DJ Doggy, Eleco 1998 DJ Special Doggy Jam Duel Dragon, Aruze Dunk Shoot, Aruze 1996 Dynaworld, Eleco 2002 E-cup, Eleco 2000 Edono Nezumi, Aruze 1999 E.S.P., Mizuho 1998 Final Mission, Aruze 2000 Frozen Nights, Aruze 1999 G Seven, Eleco 1999 Galaxy Hunter, Aruze 1999 Gamble Combo, Aruze 2001 Getter Mouse / Getter Mouse 2, Eleco 1996 / 1997 Ghost Rush, Aruze 2001 Gran Ciel, Aruze 2000 Granciel, Aruze 2000 Gundam (Transformers), Luster (OEM LOCK FOR THIS A MACHINE) Hanabi 3 4 Reel Interconti, Aruze 2001 Jurokichi, Aruze 1999 Lets, Macy 1997 Light a Lamp, Mizuho 1997 Marine Battle Night Justice, Eleco 2001 NJ, Eleco 2000 Oyakata Paijima, Macy 2003 Paintman, Aruze 1999 Plasma Attack, Aruze 1999 Porukano, Eleco 1999 Rainbow Quest, Aruze 1998 Sea Number One (OEM LOCK FOR THIS MACHINE) Siberiana, Mizuho 1998 Silver Bullet, Aruze 1998 Skull Heads, Macy 1998 Succession, Eleco 1998 Super Fukunokami Surf Trip, Aruze 2001 Taco Slot 3 4 Reel Tarot Master, Macy 2000 Tentacles, Mizuho 1998 Thunder, Macy 1998 Twinkle Stage, Eleco 1999 Versus, Aruze 1998 Virus Shock, Aruze 1998 Ward of Lights, Mizuho 1999 Wolf M, Aruze 2000 Yakata, Aruze 2001 If your lock shaft is SHORTER than 3.25" it will work in the above machine and will stick out slightly from the front. If your lock shaft is LONGER than 3.25" this lock will NOT WORK in your machine. Contact us and we will try to help you find the correct lock.