Herman Miller® Ergon® Pneumatic Five Caster Conversion Kit

This kit replaces the old four star base with a five star base and adds a pneumatic (gas) lift mechanism

Kit Contains

• 5 black nylon casters 50mm
• 1 black  five star base reinforced nylon
• 1 swivel tilt chair control
• 1 height adjustment gas cylinder
• 1 black plastic bellow