Gütermann metallic sparkle is a highly textured thread which can be sewn on a machine or used by hand and gives a sparkly effect to ornamental and decorative seams. Works best when used with a sewing aid like UNIQUE SEWING Sew Smooth Lubricant #3030650 and a large size needle like 100 – 110 in a machine. Use as a blending filament with your yarns or crochet cottons for sparkling effects in your knitting projects. TKt No. 110, Tex: 33, Dtex: 330, 2-ply. Suggested needle size: US 16/18 (100-110).