0.5mm 120m Polyester Waxed Line Leather Craft Sewing Wax Thread Cord (Black) Great for sewing book bindings and other projects where a sturdy thread is needed that stays put and won't tear at edges. Thread Diameter: 0.5mm ; Length: about 120m It is slightly waxy but not sticky Professionally made and a useful and practical tool. Suitable for DIY handicraft, luggage, handbags, wallets and other leather goods.