The Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package delivers a complete pedestal seating solution built around a high-strength, rigid 4-keyed anodized aluminum air-powered height adjustment system. A 500 newton pneumatic cylinder provides smooth, reliable lift, while the included Trac-Lock™ swivel and slide lets you lock position with confidence. The 3-1/2" outer post accepts the 2-7/8" inner post, and the whole assembly sits on a 9" round anodized base for a stable, finished installation.

Specifications:

• Pedestal diameter: 2-7/8" inner post, 3-1/2" outer post
• Height adjustment: Air-powered pneumatic system, 500 newton cylinder
• Construction: High-strength rigid 4-keyed anodized aluminum
• Base: 9" round anodized aluminum
• Swivel & slide: Locking Trac-Lock™
• Package includes: Pedestal, 9" round base, and Trac-Lock™ swivel & slide