The product is a lot of 10 RBI 1605 RS bearings, which are precision ball bearings manufactured in China. These bearings are designed for mechanical power transmission and industrial automation & motion controls. They are reliable and durable components that can help ensure smooth and efficient operation in various industrial applications. As a high-quality bearing brand like RBI, these bearings are expected to perform well and provide long-lasting support for machinery and equipment requiring precise and stable motion.