The Gütermann Over/Bulky Lock 1000m black 000 70038 sewing thread is the essential bulky cover thread for creating smooth and strong hemstitches on dark fabrics. Made from 1000-meter textured polyester, it guarantees exceptional elasticity and flawless edge coverage on overlock machines. The deep black 000 shade is indispensable for finishing sportswear, leggings, black lingerie, and dark knits without causing skin friction.