The Lifelong Office Upgrade Chair Wheels Set 5 Black & Clear BL-2374 is a set of caster wheels designed for office chairs. With a sleek black and clear design, these wheels are from the Lifelong brand and model BL-2374. Made for material handling in a business and industrial setting, these caster wheels offer a stylish and durable option for improving the mobility and stability of office chairs. Upgrade your workspace with these high-quality chair wheels for added convenience and functionality.