Home Furniture & Seating Seating, Tables & Pedestals Seat Hardware Heavy Duty Mainstay Adjustable Height Package with Slide & Swivel – 2-7/8″ (Adjustable Height: 25-1/4″ to 32-3/4″) Springfield Marine Heavy Duty Mainstay Adjustable Height Package with Slide & Swivel – 2-7/8″ (Adjustable Height: 25-1/4″ to 32-3/4″) $834.59 Heavy Duty Mainstay Adjustable Height Package with Slide & Swivel – 2-7/8" (Adjustable Height: 25-1/4" to 32-3/4") quantity Add to cart Product Details Product Details Adjustable Height: 25-1/4″ to 32-3/4″ Rigid 4-keyed anodized aluminum post. Diameter 2-7/8″. 12″ round anodized base. Air-powered height adjustment. 500 Newton cylinder. Locking Trac-LockT slide & swivel. Bulk. ABYC Class: (AD) H-31 Driver.
