Quick and easy to use. Expandable Seam Gauge
Simply lay it over your garment and expand it to the desired length for perfectly measured equal distances and accurate spacing from 3/8in to 3 3/8in. Ideal for shirring smocking buttons eyes drapery pleats dress pleats and tucks and gathers.
Expanding Sewing Gauge ... Gives you fast & accurate measuring. It has unlimited uses: great as a knitting Gauge, measure for bias or straight strips for quilting
a drop of sewing machine oil on the joints keeps them moving smoothly.