Adjustable Armrests: No; Adjustable Tilt Angle: No; Tilt Lock: Yes; Tilt Angle Lock: No; Chair/Seat Back Style High back; Adjustable Lumbar Cushion: No; Adjustable headrest: No; Base Type 5-star 350mm plastic Base; Caster Size & Material: 2" / PVC; Assembly Required: Yes; Seat Size: 51 x 50 cm; Maximum Seat Height (cm): 52; Minimum Seat Height (cm): 42; Backrest Height (cm): 72; Backrest Shoulder Width (cm): 54; Weight Capacity (kg): 150