Low Profile Suspension Seat Backrest angle adjustment, +5º to -15º, 13" center to center distance between glide kit, Operator presence switch, Low profile mechanical suspension, 2.36" stroke, 11 3/8" front to back center to center distance between studs, Waterproof black vinyl trim, 6" slide adjustment travel, Mechanical lumbar adjustment. Replaces Part Numbers: Stens Part Number: 420-700