The Schmetz Jeans/Denim Gold Machine Needles in size 100/16 are designed with a Titanium Nitride coating for extra durability and a longer needle life. These needles have a medium ball point and special blade design, making them ideal for working with thick fabrics like denim, oilskin, or canvas. The pack contains five needles in total, and they perform effortlessly on coarse and dense materials. Needle system 130/705 H-JT.