Coats Gral is a lubricated polyester thread made from pre-stablised high tenacity continuous filament polyester. The soft finish with superior low friction lubrication reduces the effects of needle heat and abrasion.Coats Gral is an excellent sewing thread for all types of leather and has very good abrasion resistance. Its higher breaking strength and optimum stretch characteristics produces attractive, fine seams on leather footwear and leather goods