This is ABUS's compact U-lock, the "Ultra Mini 410." It's a popular model that combines sturdiness and portability. The bicycle it was used on was stored indoors, so it's in overall clean condition. 【Product Information】 ・Manufacturer: ABUS ・Model: Ultra Mini 410 ・Included: 2 keys Recommended for those looking for a reliable lock to protect their bicycle from theft. Available for immediate purchase. Thank you!