WLS-100 WLS-1000 BS 30" Seat height only. WLS-200 WLS-1200 BS 30" Seat height only. WLS-140 Upholstered seat only. WLS-1140 BS 30" seat height only Upholstered seat only. WLS-150 Upholstered seat only. WLS-1150 BS 30" seat height only Upholstered seat only. WLS-160 Shown with optional wood seat. WLS-1160 BS 30" seat height only Shown with optional wood seat. WLS-130 WLS-1130 BS 30" seat height only. WLS-170 WLS-1170 BS Free standing 30" height. WLS-180 Wood seat only. WLS-1180 BS Wood seat only. WLS-190 WLS-1190 BS Free standing 30" height. WLS-300 Shown with optional wood seat. WLS-1300 BS 30" seat height only shown with optional wood seat.