Alpha - M/B Drafting with Black Base (no Arm)The Alpha medium back drafting chair is designed to provide ergonomic comfort and functional flexibility in a range of professional and industrial settings. Upholstered in durable black fabric or PU leather (depending on finish), it features a contoured backrest with integrated lumbar support to promote healthy posture during extended use. This chair includes a heavy duty 4 lever mechanism, offering precise adjustments to the seat tilt, back angle,