Thread with High Tenacity Polyester Filament Core has a natural cotton cover. This Polyester Filament Core offers excellent strength and durability. Thread with High Tenacity Polyester Filament Core is manufactured by Coats India [A Division of Madura Coats Ltd] which is an ISO 9001:2000 accredited company. The Coats India [A Division of Madura Coats Ltd] also manufactures sewing thread and needle craft. The Thread with High Tenacity Polyester Filament Core, also known as Dual Duty, is used for making denim shirts and suits, lingerie, leather goods, towels, home furnishings etc. This Thread is a high-tech core spun thread that combines the tenacity and strength of a polyester filament core with a cotton wrap, delivering excellent sewing performance in the most demanding applications. This Thread has special lubricants which ensure smooth and trouble-free sewing. This Thread has outstanding abrasion resistance for demanding jeans and work wear applications.