Wise 8WD007-6-710 Rotomolded Pilot Chair with Adjustable Pedestal and Seat Slide, White Roto Molded Chair, Cushion Set, 12"-18" Adjustable Pedestal and Fore/Aft Adjustable Seat Slide Includes Wise 2-3/8" Adjustable Pedestal #8WP21-374 and Wise Seat Slide #8WD374 Classified "AD" for Drivers Position with Easy Grip Lock Handles Seat Dimensions 23.5" Height, 17.75" Width, 26.25" Depth, 16" Seat Depth Seated width: 12 inch, height with pedestal: 35.5 to 41.5 inch. 6 Year Warranty on Frame, 3 Year Warranty on Upholstery