Gutermann Extra Fine, 200m spool Colour Number 169 Extra Fine Polyester Sewing Thread Thread thickness ticket No. 150 Produce particularly fine and smooth seams Suitable for closing, backstitch, decorative seams as well as ornamental stitches Ideal for light and fine fabrics and woven fabrics Recommended needle - Universal NM 60-70 Vellum Gutermann Extra fine thread is an incredibly fine version of the ever popular Gutermann Sew All range. A 100% polyester thread that comes in thickness No. 150 on 200m spools in a variety of colour options. Suitable for use with light and fine fabrics as well as woven fabrics. Great for producing fine and smooth seams, closing and backstitch seams along with decorative seams and ornamental stitches. Suitable for washing at 95°C, tumble drying, dry cleaning and ironing.