Unicar U-Lock Wide BL-25 This is the product: https://www.amazon.co.jp/%E3%83%A6%E3%83%8B%E3%82%AB%E3%83%BC-Unicar-U%E5%AD%97%E3%83%AD%E3%83%83%E3%82%AF-%E3%83%AF%E3%82%A4%E3%83%89-BL-25/dp/B0013LHX4G I purchased it about two years ago for around 2000 yen and used it a few times. It comes with three keys and is in good working condition.