Sew-Ergo Advantage adjustable lumbar support. The adjustable lumbar support is optional and can be added to the PA57, PA58, PC57 and PC58 Perfect Sewing Chairs as well as the CLS57 and CLS58 Quilters Stools.
The lumbar is already included in the EA258 Perfect Sewing Chair.
Cannot be added to the EA253 Perfect Sewing Chair or the CLS53 Quilters Stool due to the back shape on these two models.
