This is a Snap-on 15mm flare nut combination wrench, model "RXSM15". Authentic product with the USA stamp of approval. One end is an open end, and the other is a flare nut (6-point), making it ideal for servicing automotive brake pipes, hydraulic lines, and more. With Snap-on's characteristic high precision, it's less likely to strip nuts and is a reliable tool for tough jobs. Manufacturer: Snap-on Model Number: RXSM 15 Size: 15mm Country of Manufacture: USA Condition: Used. There are minor scratches, dirt, and dullness in the stamped areas due to use, but there are no major chips or damage that would hinder use. (Please check the photos for details) Highly recommended for professional mechanics as well as those who do DIY maintenance on their vehicles.