Garelick Offshore Vinyl Helm Chair PackageThis package includes the following items: Complete Offshore Vinyl Helm Chair; 15" Height anodized ribbed 2 7/8" diameter seat base; Millennium Fore & Aft Slide; 360 locking swivel spider; The Garelick Offshore Vinyl Helm Chair is a durable, comfortable helm chair designed for center console and pilot seat locations. This seat is composed of stainless steel hardware and marine-grade 30 oz. UV-resistant vinyl. The chair back vinyl is tucked around stylish acrylic back with a Stainless Steel 9" wide grab rail.The Garelick Offshore Vinyl Helm Chair meets the ABYC H-31 impact test.Features: High density resilient foam for long lasting comfort; Wide padded arm rests on full frame with anodized polished aluminum arm brackets; 3/4" Thick premium high density poly-maintenance free seat substrate; Compatible with Garelick/EEz-In Millennium Slide/Swivel Hardware; Specifications: Seat Cushion Width: 18"; Width Including Arms: 25.5"; Overall Chair Depth: 24" ; Overall Back Height: 22"; Seat Colors Available: White; Beige;