HKM-166547 Ergonomic High Back Office Chair with 4D Armrests and Lumbar Support for Enhanced ComfortDiscover the HKM 166547 Ergonomic High Back Office Chair, expertly crafted for those long hours of work where comfort is key. With its high backrest, this chair provides robust support for your entire back, helping you maintain proper posture and minimizing discomfort throughout the day. Key features of the HKM 166547 include: 4D armrests that allow you to adjust them in multiple directions, ensuring tailored support for your arms and shoulders.