Alpha - M/B with Chrome Base (with Arm)This fully ergonomic medium back office chair is designed for lasting comfort and support in professional settings. Upholstered in durable black PU leather, it features a contoured backrest with built in lumbar support and a ratchet style back height adjustment, allowing users to tailor the chair to their individual posture and needs. Fitted with a heavy duty 4 lever mechanism, it offers complete control over seat tilt, backrest angle, and seat height